TY  - RPRT
TI  - Reconnaissance map showing relative amounts of soil and bedrock in the mountainous part of the Lyons Quadrangle, Boulder County, Colorado
AU  - P. W. Schmidt
PY  - 1978
DO  - 10.3133/mf999
UR  - https://pubs.usgs.gov/publication/mf999
ID  - mf999
ER  -