TY  - RPRT
TI  - Preliminary geologic map of the southwestern quarter of the Denver 1 degree x 2 degrees Quadrangle, Colorado
AU  - Bruce Bryant
AU  - Reinhard A. Wobus
PY  - 1975
DO  - 10.3133/ofr75340
UR  - https://pubs.usgs.gov/publication/ofr75340
ID  - ofr75340
ER  -