TY  - RPRT
TI  - Coal resources of the United States (a progress report, October 1, 1953)
AU  - Paul Averitt
AU  - Louise R. Berryhill
AU  - Dorothy A. Taylor
PY  - 1953
DO  - 10.3133/cir293
UR  - https://pubs.usgs.gov/publication/cir293
ID  - cir293
ER  -