| water |
| af Artificial fill (Historic) |
| afbm Artificial fill over Bay mud (Historic) |
| alf Artificial levee fill (Historic) |
| Qs Beach sand - Beach and Dune sand (Holocene) |
| Qm Marine and marsh deposits - Bay mud (Holocene) |
| Qhc Stream channel deposits (late Holocene) |
| Qhay Younger alluvium (late Holocene) |
| Qd Sand Sheet and Dune Deposits (Holocene) |
| Qha Alluvium (Holocene) |
| Qal Alluvium (Holocene or Pleistocene) |
| Qht Terrace deposits (Holocene) |
|
| Qhf Alluvial fan deposits (Holocene) |
| Qhff Fine-grained alluvial fan deposits (Holocene) |
| Qhl Natural levee deposits (Holocene) |
| Qhb Basin deposits (Holocene) |
| Qa Alluvium (Holocene and late Pleistocene) |
| Qf Alluvial fan deposits (Holocene and late Pleistocene) |
| Qls Landslide deposits (Holocene and late Pleistocene) |
| Qlsa Landslide deposits - andesitic (Holocene and late Pleistocene) |
| Qlsr Landslide deposits - rhyolitic (Holocene and late Pleistocene) |
| Qsr Slope debris and ravine fill (Holocene to Pleistocene) |
| Qu Undifferentiated surficial deposits (Holocene to Pleistocene) |
| Qr Volcanic gravel (rhyolite of Tsri) (Holocene to Pleistocene) |
| Qt Alluvial and Marine terrace deposits (Holocene to Pleistocene) |
| Qpa Alluvium (late Pleistocene) |
| Qpf Alluvial fan deposits (late Pleistocene) |
| Qob Older beach deposits (late or early Pleistocene) |
| Qoa Older alluvium (late and early Pleistocene) |
|
| Qoa? Older alluvium (late and early Pleistocene) queried |
| Qlso Landslide deposits - older (late and early Pleistocene) |
| Qod Older Dune Sands (Pleistocene) |
| Qpoaf Older alluvial fan deposits (Pleistocene) |
| Qoc Olema Creek Formation (Pleistocene) |
| Qmi Millerton Formation (Pleistocene) |
| Qc Colma Formation (Pleistocene) |
| QTm Merced Formation (late Pliocene to Pleistocene) |
| QThg Huichica and Glen Ellen formations (early Pleistocene and Pliocene) |
| Tsv Sonoma Volcanics, undivided (Pliocene and late Miocene) |
| Tsr Sonoma Volcanics, rhyolite lava flows (Pliocene and late Miocene) |
| Tsri Sonoma Volcanics, rhyolite plugs and dikes (Pliocene and late Miocene) |
| Tsrp Sonoma Volcanics, Perlitic rhyolite (Pliocene and late Miocene) |
| Tsrb Sonoma Volcanics, rhyolite breccia (Pliocene and late Miocene) |
| Tsa Sonoma Volcanics, andesite to basalt lava flows (Pliocene and late Miocene) |
|
| Tsa? Sonoma Volcanics, andesite to basalt lava flows (Pliocene and late Miocene) |
| Tsb Sonoma Volcanics, Basalt flows (Pliocene and late Miocene) |
| Tb Sonoma Volcanics, Undivided basalt (Pliocene and Miocene) |
| Tst Sonoma Volcanics, pumiceous ash flow tuff (Pliocene and late Miocene) |
| Tsag Sonoma Volcanics, Agglomerate (Pliocene and late Miocene) |
| Tss Sonoma Volcanics, volcanic sand and gravel (Pliocene and late Miocene) |
|
| Tssd Sonoma Volcanics, diatomite (Pliocene and late Miocene) |
| Tdr Donnell Ranch volcanics (late Miocene) |
| Tbm Burdell Mountain volcanics (late and middle? Miocene) |
|
| Tbm? Burdell Mountain volcanics (late and middle? Miocene) queried |
| Twg Wilson Grove Formation (late Pliocene to late Miocene) |
| Twgt Wilson Grove Formation - Tuff (late Pliocene to late Miocene) |
| Tc Sand and gravel of Cotati (Pliocene and late Miocene) |
| Ts Unnamed sandstone near San Antonio Creek and Burdell Mountain (Miocene) |
| Tpl Petaluma Formation, undivided (Tp - Sonoma) (Pliocene) |
| Tps Petaluma Formation, siltstone and claystone member (Pliocene) |
| Tpc Petaluma Formation, gray claystone member (Pliocene) |
| Tpu Purisima Formation (late Miocene to early Pliocene) |
| Tsc Santa Cruz Mudstone (late Miocene) |
| Tsm Santa Margarita Sandstone (late Miocene) |
| Tm Monterey Formation (middle to late Miocene) |
| Tl Laird Sandstone (middle Miocene) |
| Tpr Point Reyes Conglomerate of Galloway 1977 (early Eocene) |
| TKfss Coastal Belt Franciscan complex, sandstone (Maastrichtian) |
| TKfs Coastal or Central Belt Franciscan complex, sandstone (Turonian) |
| Kg Porphyritic Granodiorite of Point Reyes (Upper Cretaceous) |
| Kgr Granodiorite and Granite of Inverness Ridge (Campanian) |
| Kqdb Quartz diorite of Bodega Head (late Cretaceous) |
| Kqd Tonalite of Tomales Point (Turonian to Cenomanian) |
| Kfs Franciscan complex, sandstone and shale (late Cretaceous) |
| Kfss Franciscan complex, Sandstone (Campanian to Turonian) |
| Kfsh Franciscan complex, thin-bedded shale (Cretaceous) |
| Kfm Franciscan complex, metagraywacke (Late and Early Cretaceous) |
| Kfl Franciscan complex, limestone and chert (Cretaceous) |
| Kfg Franciscan complex, greenstone (Late(?) Cretaceous) |
| Kfch Franciscan complex, chert (Cretaceous) |
|
| Kfgwy Franciscan complex, graywacke (Cenomanian or late Albian) |
| Kfdb Franciscan complex, diabase (Cretaceous) |
|
| KJf Franciscan complex, undivided (Cretaceous to Jurassic) |
| Kgvn Great Valley complex, Novato Conglomerate (Cretaceous) |
| KJgv Great Valley sequence, sandstone, shale, and conglomerate (L. Cretaceous to L. Jurassic) |
| KJgvs Great Valley sequence, sandstone, siltstone, and shale (Cretaceous and (or) |
| KJgvc Great Valley complex, conglomerate (Early Cretaceous and Late Jurassic) |
|
| KJfm Franciscan complex, metagraywacke and metamorphics (Cretaceous and Jurassic) |
| KJfch Franciscan complex, chert (Cretaceous and Jurassic) |
|
| KJfgc Franciscan complex, greenstone and chert (Cretaceous and Jurassic) |
| KJfs Franciscan complex, Graywacke and melange (Cretaceous and Jurassic) |
|
| ch Franciscan complex, chert block |
|
| Jfgs Franciscan complex, greenstone (Jurassic) |
| Jfmgs Franciscan complex, meta-greenstone (Jurassic) |
| Jfmch Franciscan complex, metachert (Jurassic) |
| Jfmgc Franciscan complex, meta-greenstone and metachert (Jurassic) |
| Jfmg Franciscan complex, metamorphic rocks, gneissic (Jurassic) |
| Jspm Franciscan complex, massive serpentinite (Jurassic) |
| Jk Knoxville Formation (Late Jurassic) |
|
| Jsv Keratophyre and quartz keratophyre tuff (Late Jurassic) |
| sp Coast Range ophiolite, serpentinite (Late and Middle Jurassic) |
| sc Coast Range ophiolite, silica-carbonate rock (Late and Middle Jurassic) |
| spm Coast Range ophiolite, serpentinte-matrix melange (Late and Middle Jurassic) |
| fsr Franciscan complex, melange |
|
| fs? Franciscan complex, queried |
| gs Franciscan complex, greenstone block |
| gwy Franciscan complex, graywacke block |
| m High-grade metamorphic rocks - mica schist, quartzite, calc-hornfels, marble |
| 101:BALLARD GRAVELLY, LOAM 2 TO 9 PERCENT SLOPES |
| 102:BALLARD-URBAN LAND COMPLEX, 0 TO 9 PERCENT SLOPES |
| 103:BARNABE VERY GRAVELLY LOAM, 30 TO 50 PERCENT SLOPES |
| 104:BEACHES |
| 105:BLUCHER-COLE COMPLEX, 2 TO 5 PERCENT SLOPES |
| 106:BONNYDOON GRAVELLY LOAM, 15 TO 30 PERCENT SLOPES |
| 107:BONNYDOON GRAVELLY LOAM, 30 TO 75 PERCENT SLOPES |
| 108:BONNYDOON VARIANT-GILROY-GILROY VARIANT LOAMS, 50 TO 75 PERCENT SLOPES |
| 109:BRESSA VARIANT-MCMULLIN VARIANT COMPLEX, 30 TO 50 PERCENT SLOPES |
| 110:CENTISSIMA-BARNABE COMPLEX, 15 TO 30 PERCENT SLOPES |
| 111:CENTISSIMA-BARNABE COMPLEX, 30 TO 50 PERCENT SLOPES |
| 112:CENTISSIMA-BARNABE COMPLEX, 50 TO 75 PERCENT SLOPES |
| 113:CLEAR LAKE CLAY |
| 114:CORTINA GRAVELLY SANDY LOAM, 0 TO 5 PERCENT SLOPES |
| 115:CRONKHITE-BARNABE COMPLEX, 9 TO 15 PERCENT SLOPES |
| 116:CRONKHITE-BARNABE COMPLEX, 15 TO 30 PERCENT SLOPES |
| 117:CRONKHITE-BARNABE COMPLEX, 30 TO 50 PERCENT SLOPES |
| 118:CRONKHITE-BARNABE COMPLEX, 50 TO 75 PERCENT SLOPES |
| 119:DIPSEA-BARNABE VERY GRAVELLY LOAMS, 30 TO 50 PERCENT SLOPES |
| 120:DIPSEA-BARNABE VERY GRAVELLY LOAMS, 50 TO 75 PERCENT SLOPES |
| 121:DIPSEA-URBAN LAND-BARNABE COMPLEX, 30 TO 50 PERCENT SLOPES |
| 122:DUNE LAND |
| 123:FELTON VARIANT-SOULAJULE COMPLEX, 9 TO 15 PERCENT SLOPES |
| 124:FELTON VARIANT-SOULAJULE COMPLEX, 15 TO 30 PERCENT SLOPES |
| 125:FELTON VARIANT-SOULAJULE COMPLEX, 30 TO 50 PERCENT SLOPES |
| 126:FELTON VARIANT-SOULAJULE COMPLEX, 50 TO 75 PERCENT SLOPES |
| 127:FLUVENTS, CHANNELED |
| 128:GILROY-GILROY VARIANT-BONNYDOON VARIANT LOAMS, 30 TO 50 PERCENT SLOPES |
| 129:HENNEKE STONY CLAY LOAM, 15 TO 50 PERCENT SLOPES |
| 130:HUMAQUEPTS,SEEPED |
| 131:HYDRAQUENTS,SALINE |
| 132:INVERNESS LOAM, 9 TO 15 PERCENT SLOPES |
| 133:INVERNESS LOAM, 15 TO 30 PERCENT SLOPES |
| 134:INVERNESS LOAM, 30 TO 50 PERCENT SLOPES |
| 135:INVERNESS LOAM, 50 TO 75 PERCENT SLOPES |
| 136:KEHOE LOAM, 9 TO 15 PERCENT SLOPES |
| 137:KEHOE LOAM, 15 TO 50 PERCENT SLOPES |
| 138:KEHOE VARIANT COARSE SANDY LOAM, 9 TO 15 PERCENT SLOPES |
| 139:KEHOE VARIANT COARSE SANDY LOAM, 15 TO 50 PERCENT SLOPES |
| 140:LOS OSOS-BONNYDOON COMPLEX, 5 TO 15 PERCENT SLOPES |
| 141:LOS OSOS-BONNYDOON COMPLEX, 15 TO 30 PERCENT SLOPES |
| 142:LOS OSOS-BONNYDOON COMPLEX, 30 TO 50 PERCENT SLOPES |
| 143:LOS OSOS-URBAN LAND-BONNYDOON COMPLEX, 15 TO 30 PERCENT SLOPES |
| 144:LOS OSOS-URBAN LAND-BONNYDOON COMPLEX, 30 TO 50 PERCENT SLOPES |
| 145:MAYMEN-MAYMEN VARIANT GRAVELLY LOAMS, 30 TO 75 PERCENT SLOPES |
| 146:MONTARA CLAY LOAM, 15 TO 30 PERCENT SLOPES |
| 147:NOVATO CLAY |
| 148:OLOMPALI LOAM, 2 TO 9 PERCENT SLOPES |
| 149:OLOMPALI LOAM, 9 TO 15 PERCENT SLOPES |
| 150:OLOMPALI LOAM, 15 TO 30 PERCENT SLOPES |
| 151:PABLO-BAYVIEW COMPLEX, 15 TO 50 PERCENT SLOPES |
| 152:PABLO-BAYVIEW COMPLEX, 50 TO 75 PERCENT SLOPES |
| 153:PALOMARIN-WITTENBERG COMPLEX, 9 TO 15 PERCENT SLOPES |
| 154:PALOMARIN-WITTENBERG COMPLEX, 15 TO 30 PERCENT SLOPES |
| 155:PALOMARIN-WITTENBERG COMPLEX, 30 TO 50 PERCENT SLOPES |
| 156:PALOMARIN-WITTENBERG COMPLEX, 50 TO 75 PERCENT SLOPES |
| 157:PITS, QUARRIES |
| 158:REYES CLAY |
| 159:ROCK OUTCROP-XERORTHENTS COMPLEX, 50 TO 75 PERCENT SLOPES |
| 160:RODEO CLAY LOAM, 2 TO 15 PERCENT SLOPES |
| 161:SAURIN-BONNYDOON COMPLEX, 2 TO 15 PERCENT SLOPES |
| 162:SAURIN-BONNYDOON COMPLEX, 15 TO 30 PERCENT SLOPES |
| 163:SAURIN-BONNYDOON COMPLEX, 30 TO 50 PERCENT SLOPES |
| 164:SAURIN-BONNYDOON COMPLEX, 50 TO 75 PERCENT SLOPES |
| 165:SAURIN-URBAN LAND-BONNYDOON COMPLEX, 15 TO 30 PERCENT SLOPES |
| 166:SAURIN-URBAN LAND-BONNYDOON COMPLEX, 30 TO 50 PERCENT SLOPES |
| 167:SHERIDAN VARIANT COARSE SANDY LOAM, 9 TO 30 PERCENT SLOPES |
| 168:SHERIDAN VARIANT COARSE SANDY LOAM, 30 TO 50 PERCENT SLOPES |
| 169:SHERIDAN VARIANT COARSE SANDY LOAM, 50 TO 75 PERCENT SLOPES |
| 170:SIRDRAK SAND, 2 TO 15 PERCENT SLOPES |
| 171:SIRDRAK SAND, 15 TO 50 PERCENT SLOPES |
| 172:SIRDRAK VARIANT SAND, 0 TO 5 PERCENT SLOPES |
| 173:SOBEGA LOAM, 9 TO 15 PERCENT SLOPES |
| 174:SOBEGA LOAM, 15 TO 30 PERCENT SLOPES |
| 175:TAMALPAIS-BARNABE VARIANT VERY GRAVELLY LOAMS, 15 TO 30 PERCENT SLOPES |
| 176:TAMALPAIS-BARNABE VARIANT VERY GRAVELLY LOAMS, 30 TO 50 PERCENT SLOPES |
| 177:TAMALPAIS-BARNABE VARIANT VERY GRAVELLY LOAMS, 50 TO 75 PERCENT SLOPES |
| 178:TOCALOMA-MCMULLIN COMPLEX, 15 TO 30 PERCENT SLOPES |
| 179:TOCALOMA-MCMULLIN COMPLEX, 30 TO 50 PERCENT SLOPES |
| 180:TOCALOMA-MCMULLIN COMPLEX, 50 TO 75 SLOPES |
| 181:TOCALOMA-MCMULLIN-URBAN LAND COMPLEX, 15 TO 30 PERCENT SLOPES |
| 182:TOCALOMA-MCMULLIN-URBAN LAND COMPLEX, 30 TO 50 PERCENT SLOPES |
| 183:TOCALOMA-SAURIN ASSOCIATION, STEEP |
| 184:TOCALOMA-SAURIN ASSOCIATION, VERY STEEP |
| 185:TOCALOMA-SAURIN ASSOCIATION, EXTREMELY STEEP |
| 186:TOMALES FINE SANDY LOAM, 2 TO 9 PERCENT SLOPES |
| 187:TOMALES FINE SANDY LOAM, 9 TO 15 PERCENT SLOPES |
| 188:TOMALES FINE SANDY LOAM, 15 TO 30 PERCENT SLOPES |
| 189:TOMALES FINE SANDY LOAM, 30 TO 50 PERCENT SLOPES |
| 190:TOMALES LOAM, 2 TO 9 PERCENT SLOPES |
| 191:TOMALES LOAM, 9 TO 15 PERCENT SLOPES |
| 192:TOMALES LOAM, 15 TO 30 PERCENT SLOPES |
| 193:TOMALES LOAM, 30 TO 50 PERCENT SLOPES |
| 194:TOMALES-SOBEGA LOAMS, 15 TO 30 PERCENT SLOPES |
| 195:TOMALES-SOBEGA COMPLEX, 9 TO 15 PERCENT SLOPES |
| 196:TOMALES-SOBEGA COMPLEX, 15 TO 30 PERCENT SLOPES |
| 197:TOMALES-STEINBECK FINE SANDY LOAMS, 30 TO 50 PERCENT SLOPES |
| 198:TOMALES-STEINBECK LOAMS, 5 TO 15 PERCENT SLOPES |
| 199:TOMALES-STEINBECK LOAMS, 15 TO 30 PERCENT SLOPES |
| 200:TOMALES-STEINBECK LOAMS, 30 TO 50 PERCENT SLOPES |
| 201:URBAN LAND-BALLARD COMPLEX, 0 TO 9 PERCENT SLOPES |
| 202:URBAN LAND-XERORTHENTS COMPLEX, 0 TO 9 PERCENT SLOPES |
| 203:XERORTHENTS, FILL |
| 204:XERORTHENTS-URBAN LAND COMPLEX, 0 TO 9 PERCENT SLOPES |
| 205:YORKVILLE CLAY LOAM, 9 TO 15 PERCENT SLOPES |
| 206:YORKVILLE CLAY LOAM, 15 TO 30 PERCENT SLOPES |
| 207:YORKVILLE CLAY LOAM, 30 TO 50 PERCENT SLOPES |
| 208:YORKVILLE-ROCK OUTCROP COMPLEX, 9 TO 15 PERCENT SLOPES |
| 209:YORKVILLE-ROCK OUTCROP COMPLEX, 15 TO 30 PERCENT SLOPES |
| 210:WATER |
| 211:DAMS |
