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USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Our programs produce accurate geologic maps and 3-D geologic frameworks that provide critical data for sustaining and improving the quality of life and economic vitality of the Nation. They also organize, maintain, and publish the geospatial baseline of the Nation's topography, natural landscape, built environment and more.
Geologic Maps
Geologic Maps
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Map Releases
Topo Maps
Topo Maps
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Volcanic Maps
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Filter Total Items: 9574
Geologic map of MTM -45252 and-45257 quadrangles, Reull Vallis region of Mars Geologic map of MTM -45252 and-45257 quadrangles, Reull Vallis region of Mars
Mars Transverse Mercator (MTM) quadrangles -45252 and -45257 (latitude 42.5° S. to 47.5°S., longitude 250° W. to 260° W.) cover a portion of the highlands of Promethei Terra east of Hellas basin. The map area consists of heavily cratered ancient highland materials having moderate to high relief, isolated knobs and massifs of rugged mountainous material, and extensive tracts of smooth and...
Geologic map of the Hogback Mountain quadrangle, Lewis and Clark and Meagher Counties, Montana Geologic map of the Hogback Mountain quadrangle, Lewis and Clark and Meagher Counties, Montana
The geologic map of the Hogback Mountain quadrangle, scale 1:24,000, was made as part of the Montana Investigations Project to provide new information on the stratigraphy, structure, and geologic history of an area in the geologically complex southern part of the Montana disturbed belt. In the Hogback Mountain area, rocks ranging in age from Middle Proterozoic through Cretaceous are...
Big Cypress-Pine Island, Florida Big Cypress-Pine Island, Florida
No abstract available.
Coastal-change and glaciological map of the Bakutis Coast, Antarctica: 1972-2002 Coastal-change and glaciological map of the Bakutis Coast, Antarctica: 1972-2002
Changes in the area and volume of the polar ice sheets are intricately linked to changes in global climate, and the resulting changes in sea level may severely impact the densely populated coastal regions on Earth. Loss of the West Antarctic part of the Antarctic ice sheet alone could cause a sea-level rise of approximately 6 m. The potential sea-level rise after melting of the entire...
Geologic Map of the Aino Planitia (V46) Quadrangle, Venus 1:5,000,000 Geologic Map of the Aino Planitia (V46) Quadrangle, Venus 1:5,000,000
The Aino Planitia quadrangle (V-46) extends from 25?-50? S. latitude, 60?-90? E. longitude. The quadrangle was mapped at 1:5,000,000 scale as part of the NASA Planetary Geologic Mapping Program. Aino Planitia is a lowland region in the southern hemisphere of Venus and is southwest of Thetis Regio in western Aphrodite Terra. It is dominated by low-lying plains units that are characterized...
Geologic map of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana Geologic map of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana
This data set maps and describes the geology of the Bonners Ferry 30' x 60' quadrangle, Idaho and Montana. The bedrock geology of the Bonners Ferry quadrangle consists of sedimentary, metamorphic, and granitic rocks ranging in age from Middle Proterozoic to Eocene. Bedrock units include rocks of (1) the Middle Proterozoic Belt Supergroup (2) the Middle Proterozoic Deer Trail Group, (3)...
Geologic map of the Fremont quadrangle, Shannon, Carter, and Oregon Counties, Missouri Geologic map of the Fremont quadrangle, Shannon, Carter, and Oregon Counties, Missouri
The bedrock exposed in the Fremont Quadrangle, Missouri, comprises Early Ordovician aged dolomite, sandstone, and chert. The sedimentary rocks are nearly flat-lying except where they are adjacent to faults. The carbonate rocks are karstified and the area contains numerous sinkholes, springs, caves, and losing-streams. This map is one of several being produced under the U.S. Geological...
Geologic map of the Horse Mountain Quadrangle, Garfield County, Colorado Geologic map of the Horse Mountain Quadrangle, Garfield County, Colorado
New 1:24,000-scale geologic map of the Horse Mountain 7.5' quadrangle, in support of the USGS Western Colorado I-70 Corridor Cooperative Geologic Mapping Project, summarizes available geologic information for the quadrangle. It provides new interpretations of the stratigraphy, structure, and geologic hazards in the area of the southwest flank of the White River uplift. Bedrock strata...
Geologic map of the Lower Hurricane Wash and vicinity, Mohave County, Northwestern Arizona Geologic map of the Lower Hurricane Wash and vicinity, Mohave County, Northwestern Arizona
This digital map database is compiled from published open file reports, and new mapping by the author, and represents the general distribution of surficial and bedrock geology in the mapped area. The map area lies within the Shivwits and Uinkaret Plateaus, subplateaus of the southwestern part of the Colorado Plateau hypsographic province. Together with the accompanying pamphlet, it...