TY  - RPRT
TI  - Preliminary geologic map of the Pleasant quadrangle, North Dakota
AU  - Richard W. Lemke
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
AU  - J. Hiram Smith
PY  - 1947
DO  - 10.3133/ofr4711
UR  - https://pubs.usgs.gov/publication/ofr4711
ID  - ofr4711
ER  -