TY - RPRT TI - Digital version of "Open-File Report 92-181: Geologic map of the Indian Spring quadrangle, San Bernardino County, California" AU - Howard G. Wilshire AU - David R. Bedford AU - Teresa Coleman PY - 2002 DO - 10.3133/ofr02272 UR - https://pubs.usgs.gov/publication/ofr02272 ID - ofr02272 ER -