TY - RPRT TI - Bedrock knobs, San Francisco Bay: Do navigation hazards outweigh other environment problems? AU - Paul R. Carlson AU - John L. Chin AU - Florence L. Wong PY - 2000 DO - 10.2113/gseegeosci.6.1.41 UR - https://pubs.usgs.gov/publication/70022354 ID - 70022354 ER -