TY  - RPRT
TI  - A teacher's guide to the San Francisco Bay area geophysics maps (U.S. Geological Survey GP-1006 and GP-1007)
AU  - V.E. Langenheim
AU  - L. C. Gordon
PY  - 1995
DO  - 10.3133/ofr95479
UR  - https://pubs.usgs.gov/publication/ofr95479
ID  - ofr95479
ER  -