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 | 6-32 |None |Low |Moderate | change | | | | | | | | | 150: | | | | | Arbuckle---------------| --- | --- |None |Moderate |Moderate | | | | | 151: | | | | | Arbuckle---------------| --- | --- |None |Moderate |Moderate | | | | | Hillgate---------------|Abrupt textural | 9-30 |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 | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | 9-34 |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) | | | | | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | 6-32 |None |High |Moderate | change | | | | | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | | | | | Table 25.--Soil Features--Continued. _________________________________________________________________________________________ | Restrictive layer | | Risk of corrosion |_________________________| |_________________________ Map symbol | | | Potential | | and soil name | | Depth | for | Uncoated | | Kind |to top |frost action| steel | Concrete ________________________|_________________|_______|____________|____________|____________ | | In | | | | | __ | | | | | | | | 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 | | | | | ________________________|_________________|_______|____________|____________|____________