Land Use Data for Latitude 38.25 Longitude -122.25

Locations

Rockville Hills Regional Park

Agricultural Land Uses

Forestry - Pastoralism if moderate or higher
Grasslands - Mod. intensive pastoralism
Mixture crops- moderate livestock and large scale irrigation
Urban land
Sparsely vegetated areas - Mod. intensive pastoralism

Ecosystems

Temperate humid
Temperate drylands
Mediterranean humid

Livestock

Cattle
Goats
Pigs
Poultry
Sheep

Crops

Maize
Rice Paddy
Wheat

Growing Period (days)

150 to 179
180 to 209

Soil Types

Luvisols
Phaeozems (Dark soils rich in organic matter)

Terrain

Plain or plateau

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)

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
	Mercury
	Stone, Crushed/Broken
	Chromium
	Magnesite
	Limestone, General, Clay
	Stone
(Surface)	Sand and Gravel, Construction
	Perlite
	Geothermal
	Flagstone
	Limestone, Dimension
(Surface-Underground)	Limestone, Dimension, Clay
	Aluminum
	Clay
Bacon and Kenney Prospect	Manganese
Basalt Rock Co	Diatomite
Basalt Rock Co (Processing Plant)	Clay
Basalt Rock Co (Surface)	Stone, Dimension
Basalt Rock Co. Quarry, Possibly	Diatomite
Bianchini Bar (Surface)	Sand and Gravel, Construction
Borges Prospect	Mercury
Brownlie Prospect (Underground)	Mercury
Cannon Quarry	Stone
Cement Hill (Surface)	Stone, Crushed/Broken
Cicero Pumice Quarry	Pumice
Conn Valley	Manganese
Conn Valley Prospect	Manganese
Cordelia Quarry (Surface)	Stone
East Mayacmas District Report	Mercury, Chromium, Manganese, Copper
Fairville Quarry	Stone
Franklin (Surface)	Stone
Goodyear Quarry (Surface)	Stone, Dimension
Gravel Pit (Surface)	Sand and Gravel, Construction
Harold Smith & Sons Construction (Surface)	Sand and Gravel, Construction
Hastings (Underground)	Mercury
Jacksons Springs (Well)	Geothermal
Juarez Quarry	Stone, Crushed/Broken
Juarez Quarry (Surface)	Stone, Dimension
Lajoya Mine (Underground)	Mercury
Lake Herman (Surface)	Stone
Main Mine & Mill (Surface)	Stone, Crushed/Broken
Martinez	Stone, Dimension
Mcgill Rock and Sand	Sand and Gravel, Construction
McLaughlin Mine	Silver, Gold, Mercury, Antimony, Arsenic, Titanium, Metal, Tungsten, Boron-Borates
Mcnears	Stone, Dimension
Mount George King	Pumice
Mountain	Mercury
Mt George Pumice Deposit	Pumice
Mt Pisgah Vineyard (Surface-Underground)	Diatomite
Napa Evaporators (Surface)	Salt
Napa Junction Plant (Processing Plant)	Stone
Napa Quarry (Surface)	Stone, Crushed/Broken
Napa River Pit (Surface)	Sand and Gravel, Construction
Napa Valley Stone (Surface)	Stone, Crushed/Broken
Nelson Hill Quarry (Surface)	Stone
Oakville	Mercury
Parish Brothers (Surface)	Stone
Phoenix Kohler And	Asbestos
Port Costa Clay Products Co.	Stone
Port Costa Shale Quarrys (Surface)	Stone, Crushed/Broken
Pumice Deposit	Pumice
Quarry	Stone
Quarry (Surface)	Sand and Gravel, Construction
Rainbow	Stone
Red Rock Quarry, Ltd. (Surface)	Stone
Reltane Deposit	Clay
Roderick Sand and Gravel Pit	Sand and Gravel, Construction
Sand Pit (Surface)	Sand and Gravel, Construction
Search Group (Underground)	Copper
Silva Pumice Quarry	Pumice
Smith Gravel Pit	Sand and Gravel, Construction
Sonoma Rock Quarry (Surface)	Stone
St. John Mine (Underground)	Mercury
Sulfur Creek Pit (Surface)	Sand and Gravel, Construction
Sullinger Claim (Surface)	Chromium
Summit	Mercury
Summit Mine	Mercury
Tolenas Springs (Surface)	Stone, Crushed/Broken
Vallejo	Mercury
Walker Pumice Quarry	Pumice
Wilson Pumice Quarry	Pumice