TY  - RPRT
TI  - Preliminary geologic maps of 11 quadrangles in north-central North Dakota (Westhope, Dokken, Mohall, Eckman, Deep River, Denbigh, Saline, Karlsruhe, Balfour, Dongsberg, and Benedict)
AU  - Richard Walter Lemke
PY  - 1951
DO  - 10.3133/ofr515
UR  - https://pubs.usgs.gov/publication/ofr515
ID  - ofr515
ER  -