205.1 Heritage Conservation and Recreation Service. Wild and Scenic River System Study: Second Preliminary Draft List of Rivers under Evaluation. Philadelphia, Pa.: U.S. Department of the Interior, 1978. J4.6/No. 1

205.1 Heritage Conservation and Recreation Service. Wild and Scenic River System Study: Second Preliminary Draft List of Rivers under Evaluation. Philadelphia, Pa.: U.S. Department of the Interior, 1978. J4.6/No. 1, Box: 28. William J. Cohen papers, MSS 0468. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/191807 Accessed September 19, 2024.