TY - RPRT TI - Mercury contamination in three species of anuran amphibians from the Cache Creek watershed, California, USA AU - Roger L. Hothem AU - Mark R. Jennings AU - John J. Crayon PY - 2009 DO - 10.1007/s10661-009-0847-3 UR - https://pubs.usgs.gov/publication/70200499 ID - 70200499 ER -