@misc{indiciae11629befa672, title = {Water Resources Data for Pennsylvania, Water Year 1988. Volume 1: Delaware River Basin}, author = {J.R. Kolva and T.E. White and R.L. Druther and K. E. White}, year = {1989}, doi = {10.3133/wdrpa881}, url = {https://pubs.usgs.gov/publication/wdrPA881}, note = {Source identifier: wdrPA881} }