TY  - RPRT
TI  - Preliminary geologic map of Rival no.2 quadrangle, North Dakota
AU  - R. C. Townsend
AU  - Arthur L. Jenke
PY  - 1951
DO  - 10.3133/ofr51174
UR  - https://pubs.usgs.gov/publication/ofr51174
ID  - ofr51174
ER  -