@misc{indiciae91fcf0acb8d0, title = {Chemical and biological conditions in Bald Eagle Creek and prognosis of trophic characteristics of Foster Joseph Sayers Reservoir, Centre County, Pennsylvania}, author = {Herbert N. Flippo}, year = {1970}, doi = {10.3133/ofr71109}, url = {https://pubs.usgs.gov/publication/ofr71109}, note = {Source identifier: ofr71109} }