TY  - RPRT
TI  - Spatial variation in total element concentration in soil within the Northern Great Plains coal region and Regional soil chemistry in Bighorn and Wind River basins, Wyoming and Montana
AU  - R. C. Severson
AU  - R.R. Tidball
PY  - 1979
DO  - 10.3133/pp1134ab
UR  - https://pubs.usgs.gov/publication/pp1134AB
ID  - pp1134AB
ER  -