TY  - RPRT
TI  - Depth to bedrock in the upper San Pedro Valley, Cochise County, southeastern Arizona
AU  - M. E. Gettings
AU  - Brenda B. Houser
PY  - 2000
DO  - 10.3133/ofr00138
UR  - https://pubs.usgs.gov/publication/ofr00138
ID  - ofr00138
ER  -