Skip to main content
U.S. flag

An official website of the United States government

Map Releases

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. 

Filter Total Items: 8997

Total intensity aeromagnetic map of Vigo County, Indiana

No abstract available.

Geologic map of the Selma group in eastern Alabama

No abstract available.

Geology and coal deposits of the Jasonville quadrangle, Clay, Greene and Sullivan Counties, Indiana

The accompanying report on the Jasonville quadrangle is the first of a series of quadrangle surveys carried out by the Division of Geology, Indiana Department of Conservation, with the cooperation of the U.S. Geological Survey, as part of a program of study and appraisal of Indiana coal resources.  The field work was done by Preston McGrain and the writer from June 15 to July 31, 1947, and complet