TY  - RPRT
TI  - Slides showing a preliminary geologic map of the Dillon 1 degree by 2 degrees Quadrangle, Montana and Idaho
AU  - E. T. Ruppel
AU  - J.M. O’Neill
AU  - David Lopez
PY  - 1982
DO  - 10.3133/ofr82667
UR  - https://pubs.usgs.gov/publication/ofr82667
ID  - ofr82667
ER  -