Land Use Data for Latitude 37.75 Longitude -120.75

Area size: .5 degrees latitude by .5 degrees longitude


California Central Valley grasslands ecoregion

Agricultural Land Uses

Forestry - Pastoralism if moderate or higher
Grasslands - Mod. intensive pastoralism
Grasslands - Intensive pastoralism
Urban land
Sparsely vegetated areas - Mod. intensive pastoralism


Temperate humid
Temperate drylands
Mediterranean humid



Growing Period (days)

150 to 179
180 to 209

Soil Types



Plain or plateau
Mountain 800-1500 m, slope > 5%

Slopes (degrees)

0.5 to 2
2 to 5
5 to 8
8 to 16
16 to 30
30 to 45

Population Density (persons per km2)

2 to 10
10 to 50
50 to 250

Infant mortality (per 1000 live births)

2 to 5

Mineral Extraction

Site Name (Type)Minerals
(Surface)Stone, Crushed/Broken
(Surface)Sand and Gravel, Construction
7-11 Pit and Mill (Surface)Sand and Gravel, Construction
Alto (Placer)Gold
Alto MineGold
American Asbestos & Manufacturing Co. Mine (Surface-Underground)Chromium
American Sand and Gravel (Surface)Sand and Gravel, Construction
Ardis PitSand and Gravel, Construction
Asbestos & Reynolds FerryGold
Asbestos and ReynoldsGold
Atlas Rock Co (Surface)Stone
Barnyard (Underground)Gold
Bartlett RanchStone, Crushed/Broken
Beckwith and Saunders (Underground)Gold
Big Seven Ridge MineCopper
Black Bart (Underground)Gold
Black Creek MineCopper
Booker LeaseChromium
Bowery Bar (Offshore)Magnesite
Bowie EstateChromium
Bryne (Placer)Gold
Butcher Shop Mine (Underground)Gold
C and E Dredging Co (Placer)Gold
C F Vanciel (Placer)Gold
C V Skove and J Wychopin (Surface)Sand and Gravel, Construction
Calaveras Asbestos Ltd Mill (Processing Plant)Asbestos
Calaveras Asbestos Mill (Processing Plant)Asbestos
Calaveras Asbestos Pit (Surface)Asbestos
Calaveras Cons.Gold
Calief and CamouGold
California ConsGold
California Ocher Mining Co.Mineral Pigments
California Ochre Mining CoStone, Crushed/Broken
Callahan ProspectManganese
Central (Placer)Gold
Central and AlphaGold
Charles Warner (Surface)Sand and Gravel, Construction
Choat Pit and MillSand and Gravel, Construction
Clay PitClay
Collier (Underground)Zinc, Copper, Silver, Gold
Cook Gravel No 1 (Placer)Gold
Cook Gravel No2 (Placer)Gold
Cooperstown Deposits (Surface)Clay
Copper CrescentCopper, Gold, Silver
Copper CrescentCopper, Silver, Gold
Copperopolis AreaNickel, Cobalt
Copperopolis Quarry (Surface)Asbestos
Cree Ranch Pit (Surface)Sand and Gravel, Construction
Crooker Pit (Surface)Sand and Gravel, Construction
Currie (Placer)Stone, Crushed/Broken
Dean MineChromium
Del Reo Mng Co.Gold
Del Rio Mining Co (Underground)Gold
Dell Neo Mng CoGold
DepositsStone, Crushed/Broken
Derrick (Placer)Gold
Don PedroGold
Donner & Callahan (Underground)Copper, Lead, Silver, Zinc
Dredged AreasGold
Empire (Underground)Copper
Empire Gold & Empire Eight DollarGold
Empire MineGold, Copper, Silver
George & Wendell G Reed (Surface)Sand and Gravel, Construction
Gold Knoll (Underground)Gold
Gopher Hill Mine (Underground)Copper, Silver, Gold
Gorham ProspectManganese
Gracian Bend (Placer)Gold
Grassely Claims (Surface-Underground)Chromium, Iron
Gravel Pit (Surface)Sand and Gravel, Construction
Gravel Products Co (Surface)Sand and Gravel, Construction
Graystone Block Co (Surface)Sand and Gravel, Construction
Green SpringGold
Haltos & Mexican ClaimsGold
Hickman Pit (Surface)Sand and Gravel, Construction
Hodge Ranch Pit (Surface)Sand and Gravel, Construction
Horseshoe of Grassely GroupChromium
Hughson Gravel Plant (Surface)Sand and Gravel, Construction
If I Can MineGold
Jackson Mccarthy Old Calaveras MineCopper
Jasper Prospect (Surface)Manganese
Jefferson LakeAsbestos
Jenny Lind ProspectCobalt, Nickel
Johnson Brothers (Surface)Sand and Gravel, Construction
Josephine Mine (Underground)Copper
Keystone-UnionCopper, Silver, Gold
King (Placer)Gold
Knights Ferry (Surface)Gold
Knights Ferry Pit (Surface)Sand and Gravel, Construction
La France (Underground)Gold
La Grange District (Surface-Underground)Gold, Silver, Platinum
La Grange Gold Dredging CoGold
Liberty Mine McfallChromium
Lightner (Underground)Copper
Little Quail Hill MineCopper, Gold, Silver, Zinc
Los Banos Pit (Surface)Sand and Gravel, Construction
Loucks Creek MineCopper
Lucky Hunch (Placer)Gold
Main Riverbank Pit (Surface)Sand and Gravel, Construction
Mayflower Chrome Mine Burnham and Wilson MineChromium
Mc Carty Group (Placer)Gold
Mccarty MineCopper
Mccormick MineChromium
Melones & MorganGold, Bismuth
Mitchell (Underground)Gold
Monday (Offshore)Gold
Morning Glory Claim (Surface-Underground)Chromium
Morning Glory Claim-Grassely GroupChromium
North EndChromium
North KeystoneCopper
Oakdale Rock Plant (Surface)Sand and Gravel, Construction
Oakdale-Knights FerryGold
Ohe S Gravel Pit (Surface)Sand and Gravel, Construction
Oliver (Placer)Gold
Oscar (Placer)Gold
Oscar Stanislaus RiGold
Oscar Stanislaus River Prop.Gold
Pacific Asbestos Mill (Processing Plant)Asbestos
Pacific Asbestos Pit (Surface)Asbestos
Patsy Rob (Underground)Gold
Peri MineChromium
Pioneer Mine (Underground)Gold, Copper, Silver
Pits (Surface)Clay
Placer Properties Co (Placer)Gold
Plaster Sand Pit & Mill (Surface)Sand and Gravel, Construction
Prospect (Processing Plant)Copper
Putnam Sand and Gravel (Surface)Sand and Gravel, Construction
Putnam Sand and Gravel Co (Processing Plant)Sand and Gravel, Construction
Quail Hill (Underground)Copper, Silver, Zinc, Gold, Lead
QuarryMarble, Dimension
Quarry (Surface)Stone
QuarryStone, Crushed/Broken
Reported OccurrencesChromium
Roberts Ferry Pit (Surface)Sand and Gravel, Construction
Rodden (Underground)Gold
Rosella (Underground)Gold
Ruby (Placer)Gold
Santa Fe Rock and Sand Co (Surface)Stone, Dimension
Schmidt Pit (Surface)Sand and Gravel, Construction
Scorpion (Placer)Gold
Shumate (Underground)Copper
Skyrocket MineGold
South Gulch (Placer)Gold
Spotted Fawn (Surface-Underground)Chromium
Stanislaus River Chrome MineChromium
Stanislaus River Chromo (Surface-Underground)Chromium
Star & Excelsior (Underground)Copper, Gold
Star & Excelsior MineCopper, Gold, Zinc
Sullivan and Kahl LeaseChromium
Surf & CordesGold
Table Mountain Quarry (Surface)Stone
Tecumseh (Underground)Copper, Gold
Telegraph (Underground)Copper
Tiro (Underground)Gold
Tuolumne Pit (Surface)Sand and Gravel, Construction
Turner (Underground)Gold
Union Mine (Underground)Copper
Valencia Mine (Surface)Gold, Chromium
VoyleStone, Crushed/Broken
Warner Pit (Surface)Sand and Gravel, Construction
Waterford Pit (Surface)Gold
Waterford Pit (Surface)Sand and Gravel, Construction
Watson (Underground)Gold
Weidman RanchMineral Pigments
Weidman Ranch DepositStone, Crushed/Broken
West End (Surface)Chromium
Wilkenson FlorenceGold
Wilkinson (Placer)Gold
Wilkinson Florence C. HenryGold
Winkler PropertyClay
Yuba Cons Gold Fields (Placer)Gold

Agricultural use data provided by LADA, 2008. "Mapping Land Use Systems at global and regional scales for Land Degradation Assessment Analysis. Version 1.0" Nachtergaele F. & Petri M.
Mineral extraction data provided by USGS Mineral Resources Data System (MRDS), downloaded June 2, 2010.