@misc{indiciae107b018b2bba, title = {Lake phosphorus loading from septic systems by seasonally perched ground water, Puget Sound region, Washington}, author = {Robert J. Gilliom and Clayton R. Patmont}, year = {1982}, doi = {10.3133/ofr82907}, url = {https://pubs.usgs.gov/publication/ofr82907}, note = {Source identifier: ofr82907} }