Land Use Data for Latitude 34.25 Longitude -117.75

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


Cucamonga Wilderness Area
Hamilton Preserve
San Dimas Biosphere Reserve
Sheep Mountain Wilderness Area

Agricultural Land Uses

Grasslands - Extensive pastoralism
Grasslands - Mod. intensive pastoralism
Shrubs - Extensive pastoralism
Shrubs - Mod. intensive pastoralism
Urban land


Mediterranean drylands



Growing Period (days)

30 to 59
60 to 89
90 to 119
120 to 149

Soil Types



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

Slopes (degrees)

0.5 to 2
2 to 5

Population Density (persons per km2)

0 to 2
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)Limestone, General
Andrew Tungsten Mine (Underground)Tungsten
Azusa Pit (Surface)Sand and Gravel, Construction
Baker and Austin Placer (Placer)Gold
Big HornGold, Silver, Copper, Lead
Big Pine (Surface)Limestone, General
Blew Jordam (Surface)Zinc, Cadmium, Lead, Silver
Blue Diamond Pit No. 2 (Surface)Sand and Gravel, Construction
Blue Jay Nos. 1 and 2 (Underground)Gold, Silver
Bonita Prospect (Surface-Underground)Gold, Silver
Brown Prospect (Surface-Underground)Gold, Silver
Buel and Ford Placer (Placer)Gold
California-Hercules Mine (Underground)Zinc, Lead, Silver
Chicken Finlay Placer (Placer)Gold
Chino Plant (Surface)Clay
City of Industry Plant (Processing Plant)Calcium
CogswellMolybdenum, Rhenium
Coldwater Canyon Prospect (Placer)Gold
Daisy, Et Al.Lead, Gold, Silver
Davis and SonSilica
Dime Canyon Prospect (Placer)Gold
Donaldson ProspectSilver
Dotson Scheelite LocationTungsten
El Centro Mine (Underground)Gold
Empire Placer (Placer)Gold
Eva CanyonGraphite
Featherstone DepositDiatomite
Fenner Canyon ProspectTungsten
Ferguson Placer (Placer)Gold
Gold DollarGold
Good Neighbor #1 Mine (Surface)Bentonite, Clay
HarveySand and Gravel, Construction
Hurns Products (Surface)Sand and Gravel, Construction
Irwindale Plant (Processing Plant)Sand and Gravel, Construction
Justice Placers (Placer)Gold
Kincaid PlantSand and Gravel, Construction
Largo Sand and GravelGold, Sand and Gravel, Construction
Livingston Rock and Gravel Co, IncSand and Gravel, Construction
Lordsburg DepositStone
Lost Treasure (Surface-Underground)Silver
Lytle Creek Mine (Underground)Copper
Marble CanyonTungsten
Native SonGold
Next Best Placer (Placer)Gold
Noverto Placer (Placer)Gold
Palm Development CoCopper, Gold, Silver
Palm Development Co. (Underground)Copper, Gold, Silver
Phelps Placer (Placer)Gold
Philadelphia Recycling Mine (Surface)Sand and Gravel, Construction
Pomona Brick CoClay
Queenie (Underground)Gold
Rho BBoron-Borates, Arsenic
Robinette Rock QuarriesTungsten
San Antonio Canyon CorundumCorundum
San GabrielGold
San Gabriel Canyon AreaGold
San Gabriel Mining Co. (Surface)Gold
Sierra Rock Products Co. (Surface)Sand and Gravel, Construction
Sierra VistaTungsten
Silver MountainCopper, Silver, Gold
Silver Mountain (Underground)Copper, Gold, Silver
Smith Family Mining Claim (Placer)Gold, Clay, Graphite
Sycamore ProspectSilver
Vincent Rock QuarryGranite
Williams Prospect (Surface-Underground)Gold, Silver
Woodman Placer (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.