TY - RPRT TI - Long-term changes in the phosphorus loading to and trophic state of the Salton Sea, California AU - Dale M. Robertson AU - S.G. Schladow AU - G.C. Holdren PY - 2008 DO - 10.1007/s10750-008-9312-5 UR - https://pubs.usgs.gov/publication/70032805 ID - 70032805 ER -