TY  - RPRT
TI  - Geologic map showing configuration of the bedrock surface, North Platte 1 degree by 2 degrees Quadrangle, Nebraska
AU  - R. F. Diffendal
PY  - 1991
DO  - 10.3133/i2277
UR  - https://pubs.usgs.gov/publication/i2277
ID  - i2277
ER  -