TY  - RPRT
TI  - Geologic map of the Philadelphia Creek Quadrangle, Rio Blanco County, Colorado
AU  - R. C. Johnson
AU  - M. C. Smith
PY  - 1993
DO  - 10.3133/mf2216
UR  - https://pubs.usgs.gov/publication/mf2216
ID  - mf2216
ER  -