TY  - RPRT
TI  - Coal-spoil and ground-water chemical data from two coal mines; Hanna Basin and Powder River basin, Wyoming
AU  - L. R. Larson
PY  - 1988
DO  - 10.3133/ofr88481
UR  - https://pubs.usgs.gov/publication/ofr88481
ID  - ofr88481
ER  -