TY  - RPRT
TI  - Geologic map of the greater Denver area, Front Range urban corridor, Colorado
AU  - Donald E. Trimble
AU  - Michael N. Machette
PY  - 1979
DO  - 10.3133/i856h
UR  - https://pubs.usgs.gov/publication/i856H
ID  - i856H
ER  -