@misc{indiciaed54cea64012d, title = {Chemical, physical, biochemical, and bacteriological characteristics at selected stream sites in Puerto Rico, 1976-77}, author = {Ferdinand Quinones-Marquez and Pedro Vasquez and Rafael Pena Cortes}, year = {1978}, doi = {10.3133/ofr78445}, url = {https://pubs.usgs.gov/publication/ofr78445}, note = {Source identifier: ofr78445} }