All Maps

Explore all USGS Maps and refine your search by type, topic, year, location, and advanced search.

Filter Total Items: 9583

Map Type

Topics

Node Release Date

Fulltext search

Items per page

Advanced filters

Location(s)

January 1, 1978

Geologic map of the White Signal Quadrangle, Grant County, New Mexico Geologic map of the White Signal Quadrangle, Grant County, New Mexico

No abstract available.

January 1, 1978

Geologic map of the Wind Mountain Quadrangle, Grant County, New Mexico Geologic map of the Wind Mountain Quadrangle, Grant County, New Mexico

No abstract available.

January 1, 1978

Geologic map of the Yemen Arab Republic (San'a') Geologic map of the Yemen Arab Republic (San'a')

No abstract available.

January 1, 1978

Geologic map of Twitchell Dam and parts of Santa Maria and Tepusquet Canyon quadrangles, Santa Barbara County, California Geologic map of Twitchell Dam and parts of Santa Maria and Tepusquet Canyon quadrangles, Santa Barbara County, California

No abstract available.

January 1, 1978

Geological studies of the Charleston, South Carolina, area-elevation contours on the top of the Cooper Formation Geological studies of the Charleston, South Carolina, area-elevation contours on the top of the Cooper Formation

No abstract available.

January 1, 1978

Geological studies of the Charleston, South Carolina, area; thickness of overburden map Geological studies of the Charleston, South Carolina, area; thickness of overburden map

No abstract available.

January 1, 1978

Geology and water-yielding characteristics of rocks of the northern Powder River basin, southeastern Montana Geology and water-yielding characteristics of rocks of the northern Powder River basin, southeastern Montana

Numerous and widespread subbituminous and lignite coal deposits occur in the Powder River Basin in southeastern Montana, principally within the Fort Union Formation. Many of the coal beds are less than 250 feet (76.2 m) below land surface and are, therefore, mineable by surface methods. Individual cola beds are commonly 20-30 feet (6.1-9.1 m) thick, but may be as much as 80 feet (24 m)...

January 1, 1978