TY  - RPRT
TI  - Coal beneath Federal lands in the United States—Mines, reserves, and resources
AU  - Brian N. Shaffer
AU  - Michelle N. Johnston
AU  - Scott A. Kinney
PY  - 2026
DO  - 10.3133/cir1570
UR  - https://pubs.usgs.gov/publication/cir1570
ID  - cir1570
ER  -