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2000 Resource Assessment of Selected Coal Beds and Zones in the Northern and ...
A report detailing the surveying and resulting predictions for coal beds in regions of the Appalachian Basin. Data downloads include Coal Bed Thickness (Isopachs), Mined Area,... -
Kentucky Geological Survey: State Boundary Series
From the site: "Coverages showing political boundaries, map indexes, regions, area development districts (ADDs), grids, etc." -
Geological Survey of Alabama
AL State Oil and Gas Board- Geospatial data for Wells, Well Unit Boundaries, Field Boundaries, Field-wide Unit Boundaries, and Infrastructure.