GIS Data
USGS is a primary source of geographic information system (GIS) data. Our data and information is presented in spatial and geographic formats, including The National Map, Earth Explorer, GloVIS, LandsatLook, and much more. Explore GIS Data Maps.
Filter Total Items: 9493
Geology of the Albany West quadrangle, Georgia
The Albany West Quadrangle is near the east edge of the Dougherty Plain of southwestern Georgia, an area of karst topography. The Ocala limestone (uppoer Eocene) underlies the quadrangle and crops out along the Flint River and its tributaries and sinkholes. Sinkholes of two ages are developed in the limestone. A gravelly argillaceous sand of Pliocene(?) age is exposed in ditches near the Flint Riv
Geology of the Eagle Buttes quadrangle, Chouteau County, Montana
No abstract available.
Geology of the Eskay quadrangle, Chouteau and Blaine Counties, Montana
No abstract available.
Geology of the Leupp quadrangle, Arizona
No abstract available.
Geology of the Manati quadrangle, Puerto Rico
No abstract available.
Geology of the Melstone-Sumatra area in central Montana
No abstract available.
Gold in the United States, exclusive of Alaska and Hawaii
No abstract available.
Gypsum and anhydrite in the United States, exclusive of Alaska and Hawaii
No abstract available.
Lead in the United States, exclusive of Alaska and Hawaii
No abstract available.
Lode gold and silver occurrences in Alaska
No abstract available.
Magnesite and brucite in the United States, exclusive of Alaska and Hawaii
The important deposits of magnesite (MgCO3) and brucite (MgO.H2O) in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. Single deposits and groups of deposits are shown by geometric symbols according to four size categories based on estimated production plus reserves. These categories are: less than 10,000 tons, 10,000 to 100,000 tons, 100,000 to 1,000,000 tons,
Manganese in the United States, exclusive of Alaska and Hawaii
No abstract available.