National Coal Resources Data System (NCRDS)
The National Coal Resources Data System (NCRDS) began as a cooperative venture between the USGS and State geological agencies in 1975 and focused on the stratigraphy and chemistry of coal.
USCoal
USCoal.csv
(5.78 MB)
Detailed Description
USCOAL - historical coal resource estimates compiled from publications prior to 1978.
Sources/Usage
Public Domain.
Related Content
- Science
National Coal Resources Data System (NCRDS)
The National Coal Resources Data System (NCRDS) began as a cooperative venture between the USGS and State geological agencies in 1975 and focused on the stratigraphy and chemistry of coal.