TY  - RPRT
TI  - Reconnaissance map showing relative amounts of soil and bedrock in the mountainous part of the Ralston Buttes quadrangle and adjoining areas to the east and west in Jefferson County, Colorado
AU  - K. L. Pierce
AU  - P. W. Schmidt
PY  - 1975
DO  - 10.3133/mf689
UR  - https://pubs.usgs.gov/publication/mf689
ID  - mf689
ER  -