TY - RPRT TI - Trace metals in clams (Macoma Balthica) and sediments at the Palo Alto mudflat in south San Francisco Bay: April, 1990 - April, 1991 AU - Samuel N. Luoma AU - Daniel J. Cain AU - Cynthia Brown AU - Ellen V. Axtmann PY - 1991 DO - 10.3133/ofr91460 UR - https://pubs.usgs.gov/publication/ofr91460 ID - ofr91460 ER -