TY  - RPRT
TI  - Chemical, semi-quantitative, spectrographic, heavy-mineral analyses of rock and water samples and a table of selected dry holes and producing wells from the Williston basin
AU  - N.M. Denson
AU  - James R. Gill
PY  - 1965
DO  - 10.3133/ofr6540
UR  - https://pubs.usgs.gov/publication/ofr6540
ID  - ofr6540
ER  -