TY  - RPRT
TI  - Element concentrations in rehabilitation species from thirteen coal-stripmines in five Western States and Alaska
AU  - L. P. Gough
AU  - R. C. Severson
PY  - 1981
DO  - 10.3133/ofr81182
UR  - https://pubs.usgs.gov/publication/ofr81182
ID  - ofr81182
ER  -