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Table 25.--Soil Features
(See text for definitions of terms used in this table. Absence of an entry indicates that
     the feature is not a concern or that data were not estimated.)
_________________________________________________________________________________________
                        | Restrictive layer       |            |    Risk of corrosion
                        |_________________________|            |_________________________
      Map symbol        |                 |       | Potential  |            |
     and soil name      |                 | Depth |    for     |  Uncoated  |
                        |      Kind       |to top |frost action|   steel    |  Concrete
________________________|_________________|_______|____________|____________|____________
                        |                 |  In   |            |            |
                        |                 |  __   |            |            |
                        |                 |       |            |            |
100, 101, 102, 103:     |                 |       |            |            |
 Capay------------------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
104, 105, 106:          |                 |       |            |            |
 Willows----------------|       ---       |  ---  |None        |High        |High
                        |                 |       |            |            |
107, 108, 109:          |                 |       |            |            |
 Scribner---------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
110:                    |                 |       |            |            |
 Hustabel---------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
112, 113, 114:          |                 |       |            |            |
 Westfan----------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
115, 116, 117, 118:     |                 |       |            |            |
 Clear lake-------------|       ---       |  ---  |None        |High        |High
                        |                 |       |            |            |
124, 125, 126:          |                 |       |            |            |
 Moonbend---------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
127, 128, 129:          |                 |       |            |            |
 Mallard----------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
130, 131, 133:          |                 |       |            |            |
 Corbiere---------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
136:                    |                 |       |            |            |
 Colusa-----------------|Natric           |  2-15 |None        |High        |Moderate
                        |                 |       |            |            |
141:                    |                 |       |            |            |
 Myers------------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
144, 145, 147:          |                 |       |            |            |
 Hillgate---------------|Abrupt textural  |  ---  |None        |Low         |Moderate
                        | change          |       |            |            |
                        |                 |       |            |            |
150:                    |                 |       |            |            |
 Arbuckle---------------|       ---       |  ---  |None        |Moderate    |Moderate
                        |                 |       |            |            |
151:                    |                 |       |            |            |
 Arbuckle---------------|       ---       |  ---  |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Hillgate---------------|Abrupt textural  |  ---  |None        |High        |Moderate
                        | change          |       |            |            |
                        |                 |       |            |            |
152:                    |                 |       |            |            |
 Arbuckle---------------|       ---       |  ---  |None        |Moderate    |Moderate
                        |                 |       |            |            |
155:                    |                 |       |            |            |
 Alcapay----------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
160:                    |                 |       |            |            |
 Grandbend--------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
170, 171, 172, 174:     |                 |       |            |            |
 Vina-------------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
175:                    |                 |       |            |            |
 Tujunga----------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
                        |                 |       |            |            |
176:                    |                 |       |            |            |
 Columbia---------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
177:                    |                 |       |            |            |
 Holillipah-------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
185:                    |                 |       |            |            |
 Riverwash--------------|       ---       |  ---  |None        |    ---     |    ---
                        |                 |       |            |            |
187, 188:               |                 |       |            |            |
 Westfan----------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
189, 190:               |                 |       |            |            |
 Arand------------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
193:                    |                 |       |            |            |
 Westfan----------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
200:                    |                 |       |            |            |
 Clear lake-------------|       ---       |  ---  |None        |High        |High
                        |                 |       |            |            |
204, 205, 206:          |                 |       |            |            |
 Capay------------------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
210, 211:               |                 |       |            |            |
 Corval-----------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
212, 213:               |                 |       |            |            |
 Ayar-------------------|Bedrock          | 60-80 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
215, 216:               |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Sehorn-----------------|Bedrock (lithic) | 20-40 |None        |High        |Low
                        |                 |       |            |            |
218:                    |                 |       |            |            |
 Sehorn-----------------|Bedrock (lithic) | 20-40 |None        |High        |Low
                        |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
220, 221:               |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
230:                    |                 |       |            |            |
 Corning----------------|Abrupt textural  |  ---  |None        |Moderate    |Moderate
                        | change          |       |            |            |
                        |                 |       |            |            |
232:                    |                 |       |            |            |
 Maywood----------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
233:                    |                 |       |            |            |
 Eastpark---------------|       ---       |  ---  |None        |Moderate    |Low
                        |                 |       |            |            |
241:                    |                 |       |            |            |
 Contra Costa-----------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
                        |                 |       |            |            |
253:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0   |   ---      |    ---     |    ---
                        |                 |       |            |            |
255:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0  |   ---      |    ---     |    ---
                        |                 |       |            |            |
257:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Capay------------------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
261:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
270, 271:               |                 |       |            |            |
 Balcom-----------------|Bedrock          | 26-40 |None        |Moderate    |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Ayar-------------------|Bedrock          | 60-80 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
275:                    |                 |       |            |            |
 Goldeagle--------------|Bedrock          | 40-80 |None        |Low         |Moderate
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Positas----------------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
 Balcom-----------------|Bedrock          | 26-40 |None        |Moderate    |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
276:                    |                 |       |            |            |
 Positas----------------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
280:                    |                 |       |            |            |
 Skyhigh----------------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
300:                    |                 |       |            |            |
 Contra Costa-----------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
305, 311:               |                 |       |            |            |
 Contra Costa-----------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
312, 313:               |                 |       |            |            |
 Saltcanyon-------------|       ---       |  ---  |None        |Low         |Moderate
                        |                 |       |            |            |
315:                    |                 |       |            |            |
 Mallard----------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
316:                    |                 |       |            |            |
 Hillgate---------------|Abrupt textural  |  ---  |None        |High        |Moderate
                        | change          |       |            |            |
                        |                 |       |            |            |
320:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
329:                    |                 |       |            |            |
 Sehorn-----------------|Bedrock (lithic) | 20-40 |None        |High        |Low
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Altamont---------------|Bedrock          | 40-60 |None        |High        |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
330:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Contra Costa-----------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
331:                    |                 |       |            |            |
 Sehorn-----------------|Bedrock (lithic) | 20-40 |None        |High        |Low
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0   |   ---      |    ---     |    ---
                        |                 |       |            |            |
332:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0   |   ---      |    ---     |    ---
                        |                 |       |            |            |
334:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Contra Costa-----------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
337:                    |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Saltcanyon-------------|       ---       |  ---  |None        |Low         |Moderate
                        |                 |       |            |            |
345:                    |                 |       |            |            |
 Skyhigh----------------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Sleeper----------------|Bedrock (lithic) | 40-60 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
346:                    |                 |       |            |            |
 Skyhigh----------------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
 Sleeper----------------|Bedrock (lithic) | 40-60 |None        |Moderate    |Moderate
                        |                 |       |            |            |
347, 348:               |                 |       |            |            |
 Boar-------------------|Bedrock (lithic) | 60-80 |None        |High        |Moderate
                        |                 |       |            |            |
 Sleeper----------------|Bedrock (lithic) | 40-60 |None        |Moderate    |Moderate
                        |                 |       |            |            |
350:                    |                 |       |            |            |
 Haploxererts-----------|       ---       |  ---  |None        |High        |Moderate
                        |                 |       |            |            |
355:                    |                 |       |            |            |
 Venado-----------------|       ---       |  ---  |None        |High        |Low
                        |                 |       |            |            |
                        |                 |       |            |            |
360:                    |                 |       |            |            |
 Bearvalley-------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
365, 366:               |                 |       |            |            |
 Leesville--------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
370:                    |                 |       |            |            |
 Livermore--------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
371:                    |                 |       |            |            |
 Buttes-----------------|Bedrock          | 20-40 |None        |Moderate    |Low
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Millsholm--------------|Bedrock (lithic) | 10-20 |None        |Moderate    |Moderate
                        |                 |       |            |            |
519, 520, 521:          |                 |       |            |            |
 Stonyford--------------|Bedrock (lithic) | 10-20 |None        |Low         |Moderate
                        |                 |       |            |            |
 Guenoc-----------------|Bedrock (lithic) | 20-40 |None        |Moderate    |Moderate
                        |                 |       |            |            |
524:                    |                 |       |            |            |
 Arand------------------|       ---       |  ---  |None        |Low         |Low
                        |                 |       |            |            |
 Riverwash--------------|       ---       |  ---  |None        |    ---     |    ---
                        |                 |       |            |            |
526:                    |                 |       |            |            |
 Etsel------------------|Bedrock (lithic) |  4-10 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Maymen-----------------|Bedrock (lithic) | 10-18 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Marpa------------------|Bedrock (lithic) | 20-40 |Low         |Low         |Moderate
                        |                 |       |            |            |
527:                    |                 |       |            |            |
 Maymen-----------------|Bedrock (lithic) | 10-18 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Etsel------------------|Bedrock (lithic) |  4-10 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Speaker----------------|Bedrock          | 20-40 |Low         |Moderate    |Moderate
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
528:                    |                 |       |            |            |
 Maymen-----------------|Bedrock (lithic) | 10-18 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Etsel------------------|Bedrock (lithic) |  4-10 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Snook------------------|Bedrock (lithic) |  4-10 |Low         |Low         |Moderate
                        |                 |       |            |            |
529:                    |                 |       |            |            |
 Maymen-----------------|Bedrock (lithic) | 10-18 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Etsel------------------|Bedrock (lithic) |  4-10 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Mayacama---------------|Dense material   | 20-40 |Low         |Low         |Moderate
                        |Bedrock (lithic) |       |            |            |
                        |                 |       |            |            |
542:                    |                 |       |            |            |
 Okiota-----------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Dubakella--------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Henneke----------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
545:                    |                 |       |            |            |
 Henneke----------------|Bedrock (lithic) | 10-20 |None        |Low         |Moderate
                        |                 |       |            |            |
                        |                 |       |            |            |
 Montara----------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0   |   ---      |    ---     |    ---
                        |                 |       |            |            |
548, 549:               |                 |       |            |            |
 Henneke----------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Okiota-----------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
557:                    |                 |       |            |            |
 Neuns------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Bamtush----------------|Bedrock (lithic) | 60-80 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Speaker----------------|Bedrock          | 20-40 |Low         |Moderate    |Moderate
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
564:                    |                 |       |            |            |
 Fouts------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Yorkville--------------|Bedrock          | 60-80 |Low         |Moderate    |Moderate
                        | (paralithic)    |       |            |            |
                        |                 |       |            |            |
 Squawrock--------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
570:                    |                 |       |            |            |
 Endoaquolls------------|       ---       |  ---  |Low         |High        |Low
                        |                 |       |            |            |
590:                    |                 |       |            |            |
 Neuns------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Marpa------------------|Bedrock (lithic) | 20-40 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Goulding---------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
591:                    |                 |       |            |            |
 Neuns------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Sheetiron--------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Goulding---------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
592:                    |                 |       |            |            |
 Neuns------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Goulding---------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
 Sheetiron--------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
596:                    |                 |       |            |            |
 Yollabolly-------------|Bedrock (lithic) | 10-20 |Moderate    |High        |Moderate
                        |                 |       |            |            |
 Rock outcrop-----------|Bedrock (lithic) |   0   |   ---      |    ---     |    ---
                        |                 |       |            |            |
 Freezeout--------------|Bedrock (lithic) | 20-40 |Moderate    |High        |Moderate
                        |                 |       |            |            |
597:                    |                 |       |            |            |
 Yollabolly-------------|Bedrock (lithic) | 10-20 |Moderate    |High        |Moderate
                        |                 |       |            |            |
 Freezeout--------------|Bedrock (lithic) | 20-40 |Moderate    |High        |Moderate
                        |                 |       |            |            |
599, 600:               |                 |       |            |            |
 Freezeout--------------|Bedrock (lithic) | 20-40 |Moderate    |High        |Moderate
                        |                 |       |            |            |
                        |                 |       |            |            |
 Yollabolly-------------|Bedrock (lithic) | 10-20 |Moderate    |High        |Moderate
                        |                 |       |            |            |
610:                    |                 |       |            |            |
 Neuns------------------|Bedrock (lithic) | 20-40 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Bamtush----------------|Bedrock (lithic) | 60-80 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Goulding---------------|Bedrock (lithic) | 10-20 |Low         |Low         |Moderate
                        |                 |       |            |            |
650, 651:               |                 |       |            |            |
 Bamtush----------------|Bedrock (lithic) | 60-80 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Marpa------------------|Bedrock (lithic) | 20-40 |Low         |Low         |Moderate
                        |                 |       |            |            |
651:                    |                 |       |            |            |
 Bamtush----------------|Bedrock (lithic) | 60-80 |Low         |Moderate    |Moderate
                        |                 |       |            |            |
 Marpa------------------|Bedrock (lithic) | 20-40 |Low         |Low         |Moderate
                        |                 |       |            |            |
________________________|_________________|_______|____________|____________|____________