TY - RPRT TI - Geologic map of the southern part of the Dale Lake 15-minute Quadrangle, San Bernardino and Riverside counties, California AU - Keith A. Howard AU - Charlotte M. Allen PY - 1988 DO - 10.3133/ofr88534 UR - https://pubs.usgs.gov/publication/ofr88534 ID - ofr88534 ER -