TY  - RPRT
TI  - Geologic map of the Parker Quadrangle, Arapahoe and Douglas counties, Colorado
AU  - John O. Mayberry
AU  - Robert M. Lindvall
PY  - 1972
DO  - 10.3133/i770a
UR  - https://pubs.usgs.gov/publication/i770A
ID  - i770A
ER  -