USGS Coal Investigations Map Publications
This series contains multicolor or black-and-white geologic maps that show bedrock geology, stratigraphy, and structural relations of selected coal resource areas of the Nation. The numbering of these maps began in 1950; a few unnumbered maps were produced as early as 1935.
- DGGS does not currently have publications available for this series.
= Report
= CD/DVD
= Maps
= Geospatial data
= Outside Link
= Interactive Map