TY  - RPRT
TI  - Sample localities and physical and chemical test data for some bentonites from Wyoming and Montana
AU  - Claudia Wolfbauer Frahme
PY  - 1978
DO  - 10.3133/ofr7881
UR  - https://pubs.usgs.gov/publication/ofr7881
ID  - ofr7881
ER  -