TY  - RPRT
TI  - Preliminary Report on the Engineering Geology of the Straight Creek Tunnel Pilot Bore, Clear Creek and Summit Counties, Colorado
AU  - Charles Sherwood Robinson
AU  - Fitzhugh T. Lee
PY  - 1965
DO  - 10.3133/ofr65139
UR  - https://pubs.usgs.gov/publication/ofr65139
ID  - ofr65139
ER  -