TY  - RPRT
TI  - Logs of holes drilled in 1955 and 1956 by U.S. Geological Survey, Dry Creek Basin area, Bull Canyon district, Montrose and San Miguel Counties, Colorado
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1967
DO  - 10.3133/ofr67257
UR  - https://pubs.usgs.gov/publication/ofr67257
ID  - ofr67257
ER  -