TY  - RPRT
TI  - General geology and petrology of the Precambrian crystalline rocks, Park and Jefferson counties, Colorado
AU  - C. C. Hawley
AU  - Reinhard A. Wobus
PY  - 1977
DO  - 10.3133/pp608b
UR  - https://pubs.usgs.gov/publication/pp608B
ID  - pp608B
ER  -