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The only comprehensive sources of regional- and national-scale geologic maps are state geologic maps with scales ranging from 1:100,000 to 1:1,000,000. Digital versions of these state maps form the core of what is presented here.

Geologic units in Hinds county, Mississippi Additional scientific data in this geographic area Catahoula formation (Miocene) at surface, covers 55 % of this area

Bedrock geologic map of the Port Wing, Solon Springs, and parts of the Duluth and Sandstone 30' x 60' quadrangles, Wisconsin. This Report provides digital data (shapefiles and .e00 files) for the bedrock geology in the Port Wing, Solon Springs, and parts of the Duluth and Sandstone quadrangles in Wisconsin. Info: California geologic map data. A ...

A simplified geologic map, raw gravity and magnetic data, with derivative products including depth-to-source and rock densities, with limited interpretations of the underlying geology, structures, and mineral resources.

A Geologic Map Schema (GeMS)-compliant version that updates the GIS files for the geologic map. Data are provided in Esri file geodatabase and shapefile formats. Info: Digital bedrock geologic map of the Ashland and northern part of the Ironwood 30' x 60' quadrangles, Wisconsin and Michigan. Geologic units and structural features, GIS data ...

Geologic units in Lincoln county, Mississippi Citronelle formation (Pleistocene) at surface, covers 80 % of this area Red sand and gravel and white clay; may be of Pliocene age; the formation mapped is equivalent to the Willis sand and does not include the terrace deposits, colluvium, and residuum commonly considered "Citronelle".

Bedrock geologic map of the 15' Sleetmute A-2 quadrangle, southwestern Alaska Twelve unnamed, bedrock stratigraphic units are recognized within the Sleetmute A-2 1:63,360-scale quadrangle of southwestern Alaska.

This category is also used for geologic sections, geologic units, sections (geologic), sections (stratigraphic), strata, and stratum. Subtopics: Bedrock geologic units (146 items)

Delaware geologic map data. A GIS database of geologic units and structural features in Delaware, with lithology, age, data structure, and format written and arranged just like the other states. Info: Evaporite-related potash resources: deposits and permissive tracts worldwide. Includes descriptions of 981 known occurrences and deposits as well ...