Maps

Fundamental Science Practices

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.

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January 1, 1986

Controlled photomosaic of part of the Planum Australe region of Mars Controlled photomosaic of part of the Planum Australe region of Mars

No abstract available.

January 1, 1986

Controlled photomosaic of part of the Planum Australe region of Mars Controlled photomosaic of part of the Planum Australe region of Mars

No abstract available.

January 1, 1986

Correlation of coal beds in the Fruitland Formation as interpreted from geophysical logs, east-central San Juan County, New Mexico Correlation of coal beds in the Fruitland Formation as interpreted from geophysical logs, east-central San Juan County, New Mexico

Correlation of coal beds in the Fruitland Formation (Upper Cretaceous) in the subsurface, from interpretation of geophysical logs, is an outgrowth of unpublished studies of deep coal on the Navajo Reservation by the author in the Toadlena 30 x 60 minute quadrangle, New Mexico, and by W. J. Mapel in the Farmington 30 x 60 minute quadrangle, New Mexico. The lines of sections of this report...

January 1, 1986

Delineation of flood hazards in the Ruelas Canyon quadrangle, Pima County, Arizona Delineation of flood hazards in the Ruelas Canyon quadrangle, Pima County, Arizona

No abstract available.

January 1, 1986

Depth to bedrock and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Pootatuck River Valley, Newtown, Connecticut Depth to bedrock and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Pootatuck River Valley, Newtown, Connecticut

No abstract available.

January 1, 1986

Depth to bedrock, depth to the water table, and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Farmington River Valley, Farmington, Connecticut Depth to bedrock, depth to the water table, and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Farmington River Valley, Farmington, Connecticut

No abstract available.

January 1, 1986

Depth to bedrock, depth to the water table, and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Pomperaug River Valley, Southbury and Woodbury, Connecticut Depth to bedrock, depth to the water table, and classification of unconsolidated materials above the water table in stratified-drift areas of part of the Pomperaug River Valley, Southbury and Woodbury, Connecticut

No abstract available.

January 1, 1986

Divisions of potential fracture permeability, based on distribution of structures and linear features in sedimentary rocks, northern Great Plains-Rocky Mountains region of Montana, North Dakota, South Dakota, Wyoming, and northern Nebraska Divisions of potential fracture permeability, based on distribution of structures and linear features in sedimentary rocks, northern Great Plains-Rocky Mountains region of Montana, North Dakota, South Dakota, Wyoming, and northern Nebraska

Division of fracture traces in sedimentary rocks of Cenozoic to Precambrian Age - Eastern and central North and South Dakota and northern Nebraska include only Cenozoic to Pennsylvanian rocks at the surface and at relatively shallow depths; the area of shallow thrust faulting in north-central Montana includes many Cretaceous rocks. Fractures in the deeper rocks in these areas vary...

January 1, 1986

Electric log correlations of the upper Cretaceous rocks in the Mesaverde Group, Baxter Shale, and equivalent units across the Great Divide Basin in southwest Wyoming Electric log correlations of the upper Cretaceous rocks in the Mesaverde Group, Baxter Shale, and equivalent units across the Great Divide Basin in southwest Wyoming

No abstract available.

January 1, 1986

Engineering geologic maps of the Government Hill area, Anchorage, Alaska Engineering geologic maps of the Government Hill area, Anchorage, Alaska

No abstract available.

January 1, 1986

Equivalent freshwater head and dissolved-solids concentration of water in rocks of Cambrian, Ordovician, and Mississippian age in the northern Midcontinent, U.S.A. Equivalent freshwater head and dissolved-solids concentration of water in rocks of Cambrian, Ordovician, and Mississippian age in the northern Midcontinent, U.S.A.

No abstract available.

January 1, 1986

Estimated resources of non-leased federal coal, Powder River Basin, Montana and Wyoming Estimated resources of non-leased federal coal, Powder River Basin, Montana and Wyoming

Maps are generated by combining digital ownership data with geologic resource estimates and other spatial coal data in a geographic information system (GIS). For example, we merged the newly compiled Federal coal ownership files with resource calculations from the 1970's for the Powder River Basin (Trent, 1986). For the first time, we are able to visually display the location of...

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