Table 4.-Acreage and Proportionate Extent of the Soils Right click on this link to download this table.
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Map | Soil name | Acres |Percent
symbol | | |
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100 |Capay clay loam, 0 to 1 percent slopes, occasionally flooded-------------| 556 | *
101 |Capay silty clay, 0 to 2 percent slopes, frequently flooded--------------| 65 | *
102 |Capay clay loam, 0 to 1 percent slopes-----------------------------------| 25,805 | 3.5
103 |Capay clay loam, 0 to 1 percent slopes, frequently flooded---------------| 265 | *
104 |Willows silty clay, 0 to 1 percent slopes, frequently flooded------------| 32,630 | 4.4
105 |Willows silty clay, 0 to 1 percent slopes, occasionally flooded----------| 53,615 | 7.3
106 |Willows silty clay, 0 to 1 percent slopes--------------------------------| 35,116 | 4.8
107 |Scribner silt loam, 0 to 1 percent slopes, occasionally flooded----------| 2,858 | 0.4
108 |Scribner silt loam, 0 to 1 percent slopes--------------------------------| 19,757 | 2.7
109 |Scribner silt loam, 0 to 1 percent slopes, frequently flooded------------| 860 | 0.1
110 |Hustabel sandy loam, 0 to 1 percent slopes-------------------------------| 1,414 | 0.2
112 |Westfan loam, 0 to 2 percent slopes--------------------------------------| 24,013 | 3.3
113 |Westfan loam, sodic, 0 to 2 percent slopes-------------------------------| 310 | *
114 |Westfan clay loam, 0 to 1 percent slopes---------------------------------| 1,257 | 0.2
115 |Clear Lake clay, 0 to 1 percent slopes, occasionally flooded-------------| 18,810 | 2.5
116 |Clear Lake clay, calcareous, 0 to 2 percent slopes, occasionally flooded-| 1,518 | 0.2
117 |Clear Lake clay, calcareous, 0 to 1 percent slopes, frequently flooded---| 656 | *
118 |Clear Lake clay, 0 to 2 percent slopes, frequently flooded---------------| 1,447 | 0.2
124 |Moonbend silt loam, 0 to 2 percent slopes, occasionally flooded----------| 6,843 | 0.9
125 |Moonbend silt loam, 0 to 2 percent slopes--------------------------------| 13,986 | 1.9
126 |Moonbend silt loam, 0 to 2 percent slopes, frequently flooded------------| 2,967 | 0.4
127 |Mallard clay loam, 0 to 1 percent slopes---------------------------------| 14,734 | 2.0
128 |Mallard loam, 0 to 1 percent slopes--------------------------------------| 2,858 | 0.4
129 |Mallard clay loam, 0 to 1 percent slopes, occasionally flooded-----------| 589 | *
130 |Corbiere silt loam, 0 to 1 percent slopes--------------------------------| 3,153 | 0.4
131 |Corbiere silt loam, 0 to 2 percent slopes, frequently flooded------------| 3,749 | 0.5
133 |Corbiere silt loam, 0 to 2 percent slopes, occasionally flooded----------| 3,768 | 0.5
136 |Colusa loam, 0 to 2 percent slopes---------------------------------------| 2,599 | 0.4
141 |Myers clay, 0 to 2 percent slopes----------------------------------------| 4,163 | 0.6
144 |Hillgate clay loam, 0 to 2 percent slopes--------------------------------| 15,093 | 2.0
145 |Hillgate loam, 0 to 2 percent slopes-------------------------------------| 4,611 | 0.6
147 |Hillgate loam, 1 to 5 percent slopes-------------------------------------| 2,250 | 0.3
150 |Arbuckle sandy loam, 1 to 5 percent slopes-------------------------------| 7,228 | 1.0
151 |Arbuckle-Hillgate complex, 1 to 5 percent slopes-------------------------| 8,713 | 1.2
152 |Arbuckle gravelly loam, 1 to 5 percent slopes----------------------------| 1,029 | 0.1
155 |Alcapay clay, 0 to 1 percent slopes--------------------------------------| 8,954 | 1.2
160 |Grandbend loam, 0 to 2 percent slopes------------------------------------| 6,522 | 0.9
170 |Vina loam, 0 to 2 percent slopes, frequently flooded---------------------| 4,320 | 0.6
171 |Vina loam, 0 to 2 percent slopes-----------------------------------------| 19,422 | 2.6
172 |Vina fine sandy loam, 0 to 2 percent slopes, frequently flooded----------| 2,000 | 0.3
174 |Vina loam, 0 to 2 percent slopes, occasionally flooded-------------------| 1,686 | 0.2
175 |Tujunga loam, overwash, 0 to 2 percent slopes, frequently flooded--------| 773 | 0.1
176 |Columbia fine sandy loam, 0 to 2 percent slopes, frequently flooded------| 52 | *
177 |Holillipah loamy sand, channeled, 0 to 2 percent slopes------------------| 17 | *
185 |Riverwash----------------------------------------------------------------| 2,036 | 0.3
187 |Westfan loam, 0 to 2 percent slopes, occasionally flooded----------------| 427 | *
188 |Westfan loam, clay substratum, 0 to 2 percent slopes---------------------| 2,252 | 0.3
189 |Arand very gravelly sandy loam, 0 to 2 percent slopes--------------------| 3,192 | 0.4
190 |Arand very gravelly loam, 0 to 2 percent slopes--------------------------| 918 | 0.1
193 |Westfan gravelly loam, 0 to 2 percent slopes-----------------------------| 6,318 | 0.9
200 |Clear Lake clay, 0 to 2 percent slopes, occasionally flooded-------------| 1,069 | 0.1
204 |Capay clay, 0 to 3 percent slopes, occasionally flooded------------------| 881 | 0.1
205 |Capay clay, 0 to 3 percent slopes----------------------------------------| 4,603 | 0.6
206 |Capay clay, 5 to 9 percent slopes----------------------------------------| 5,317 | 0.7
210 |Corval loam, 0 to 3 percent slopes---------------------------------------| 6,469 | 0.9
211 |Corval clay loam, 0 to 3 percent slopes----------------------------------| 4,997 | 0.7
212 |Ayar clay, 5 to 15 percent slopes----------------------------------------| 4,151 | 0.6
213 |Ayar clay, 15 to 30 percent slopes---------------------------------------| 5,547 | 0.8
215 |Altamont-Sehorn complex, 15 to 30 percent slopes-------------------------| 5,354 | 0.7
216 |Altamont-Sehorn complex, 9 to 15 percent slopes--------------------------| 3,819 | 0.5
218 |Sehorn-Altamont complex, 30 to 50 percent slopes-------------------------| 12,171 | 1.6
220 |Altamont silty clay, 5 to 9 percent slopes-------------------------------| 2,920 | 0.4
221 |Altamont silty clay, 9 to 15 percent slopes------------------------------| 667 | *
230 |Corning clay loam, 1 to 5 percent slopes---------------------------------| 9,176 | 1.2
232 |Maywood gravelly loam, 0 to 2 percent slopes, occasionally flooded-------| 71 | *
233 |Eastpark clay loam, 0 to 2 percent slopes--------------------------------| 186 | *
241 |Contra Costa-Altamont association, 30 to 50 percent slopes---------------| 706 | *
253 |Millsholm-Altamont-Rock outcrop complex, 5 to 15 percent slopes----------| 3,370 | 0.5
255 |Millsholm-Rock outcrop complex, 9 to 30 percent slopes-------------------| 2,537 | 0.3
257 |Millsholm-Capay complex, 3 to 9 percent slopes---------------------------| 1,240 | 0.2
261 |Millsholm-Altamont complex, 15 to 30 percent slopes----------------------| 128 | *
270 |Balcom-Ayar complex, 15 to 30 percent slopes-----------------------------| 875 | 0.1
271 |Balcom-Ayar complex, 30 to 50 percent slopes-----------------------------| 1,797 | 0.2
275 |Goldeagle-Positas-Balcom complex, 30 to 75 percent slopes----------------| 30,257 | 4.1
276 |Positas gravelly sandy loam, 30 to 50 percent slopes---------------------| 3,729 | 0.5
280 |Skyhigh-Millsholm complex, 15 to 50 percent slopes-----------------------| 4,932 | 0.7
300 |Contra Costa-Millsholm complex, 50 to 75 percent slopes------------------| 14,462 | 2.0
305 |Contra Costa loam, 50 to 75 percent slopes-------------------------------| 7,389 | 1.0
311 |Contra Costa loam, 9 to 15 percent slopes--------------------------------| 1,257 | 0.2
312 |Saltcanyon loam, 1 to 5 percent slopes-----------------------------------| 2,266 | 0.3
313 |Saltcanyon loam, 5 to 9 percent slopes-----------------------------------| 731 | *
315 |Mallard clay loam, 2 to 5 percent slopes---------------------------------| 1,346 | 0.2
316 |Hillgate loam, 5 to 9 percent slopes-------------------------------------| 5,918 | 0.8
320 |Millsholm loam, 5 to 30 percent slopes-----------------------------------| 4,889 | 0.7
329 |Sehorn-Millsholm-Altamont complex, 15 to 30 percent slopes---------------| 233 | *
330 |Millsholm-Contra Costa complex, 15 to 30 percent slopes------------------| 2,741 | 0.4
331 |Sehorn-Millsholm-Rock outcrop complex, 30 to 50 percent slopes-----------| 1,608 | 0.2
332 |Millsholm-Rock outcrop association, 30 to 75 percent slopes--------------| 16,660 | 2.3
334 |Millsholm-Contra Costa association, 30 to 75 percent slopes--------------| 54,890 | 7.4
337 |Millsholm-Saltcanyon association, 5 to 15 percent slopes-----------------| 2,701 | 0.4
345 |Skyhigh-Sleeper-Millsholm association, 15 to 30 percent slopes-----------| 2,518 | 0.3
346 |Skyhigh-Millsholm-Sleeper association, 30 to 50 percent slopes-----------| 545 | *
347 |Boar-Sleeper complex, 15 to 30 percent slopes----------------------------| 322 | *
348 |Boar-Sleeper complex, 30 to 50 percent slopes----------------------------| 728 | *
350 |Haploxererts, 30 to 50 percent slopes------------------------------------| 354 | *
355 |Venado clay, 0 to 2 percent slopes---------------------------------------| 3,966 | 0.5
360 |Bearvalley gravelly sandy loam, 2 to 5 percent slopes--------------------| 581 | *
365 |Leesville clay loam, 2 to 5 percent slopes-------------------------------| 3,561 | 0.5
366 |Leesville clay loam, 0 to 2 percent slopes-------------------------------| 145 | *
370 |Livermore very gravelly loam, 5 to 9 percent slopes----------------------| 827 | 0.1
371 |Buttes-Millsholm complex, 30 to 50 percent slopes------------------------| 1,559 | 0.2
519 |Stonyford-Guenoc complex, 5 to 15 percent slopes-------------------------| 206 | *
520 |Stonyford-Guenoc complex, 15 to 30 percent slopes------------------------| 1,971 | 0.3
521 |Stonyford-Guenoc complex, 30 to 50 percent slopes------------------------| 3,233 | 0.4
524 |Arand-Riverwash complex, 0 to 2 percent slopes, frequently flooded-------| 664 | *
526 |Etsel-Maymen-Marpa association, 30 to 50 percent slopes------------------| 17,783 | 2.4
527 |Maymen-Etsel-Speaker association, 30 to 50 percent slopes----------------| 76 | *
528 |Maymen-Etsel-Snook complex, 30 to 75 percent slopes----------------------| 1,939 | 0.3
529 |Maymen-Etsel-Mayacama-Complex, 30 to 75 percent slopes-------------------| 804 | 0.1
542 |Okiota-Dubakella-Henneke complex, 15 to 50 percent slopes----------------| 793 | 0.1
545 |Henneke-Montara-Rock outcrop complex, 15 to 50 percent slopes------------| 20,975 | 2.8
548 |Henneke-Okiota complex, 30 to 50 percent slopes--------------------------| 7,520 | 1.0
549 |Henneke-Okiota complex, 50 to 75 percent slopes--------------------------| 14,344 | 1.9
557 |Neuns-Bamtush-Speaker complex, 30 to 50 percent slopes-------------------| 582 | *
564 |Fouts-Yorkville-Squawrock association, 15 to 50 percent slopes-----------| 973 | 0.1
570 |Endoaquolls, 0 to 2 percent slopes, frequently ponded--------------------| 58 | *
590 |Neuns-Marpa-Goulding complex, 30 to 50 percent slopes--------------------| 12,441 | 1.7
591 |Neuns-Sheetiron-Goulding complex, 30 to 50 percent slopes----------------| 881 | 0.1
592 |Neuns-Goulding-Sheetiron complex, 50 to 75 percent slopes----------------| 52 | *
596 |Yollabolly-Rock outcrop-Freezeout complex, 50 to 75 percent slopes-------| 557 | *
597 |Yollabolly-Freezeout complex, 30 to 50 percent slopes--------------------| 2,056 | 0.3
599 |Freezeout-Yollabolly complex, 30 to 50 percent slopes--------------------| 2,919 | 0.4
600 |Freezeout-Yollabolly association, 50 to 75 percent slopes----------------| 457 | *
610 |Neuns-Bamtush-Goulding association, 30 to 50 percent slopes--------------| 16,244 | 2.2
650 |Bamtush-Marpa complex, 15 to 30 percent slopes---------------------------| 626 | *
651 |Bamtush-Marpa complex, 30 to 50 percent slopes---------------------------| 1,789 | 0.2
652 |Water--------------------------------------------------------------------| 637 | *
| |____________|________
| Total---------------------------------------------------------------| 737,920 | 100.0
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* Less than 0.1 percent.