TY - RPRT TI - Maps showing elevation of bedrock and implications for design of engineered structures to withstand earthquake shaking in San Mateo County, California AU - W.H. Hensolt AU - E. E. Brabb PY - 1990 DO - 10.3133/ofr90496 UR - https://pubs.usgs.gov/publication/ofr90496 ID - ofr90496 ER -