Diagram and picture: diagram of littoral current; photograph of Point Lookout on Long Island demonstrating groins built to retard currents, no date

Diagram and picture: diagram of littoral current; photograph of Point Lookout on Long Island demonstrating groins built to retard currents, no date, Box: 8; Item: 5657; Folder: 27.1. Negatives and Photographs of Fritz Engineering Laboratory Tests and Events, SC Photo 0013. Lehigh University Grant Projects. https://archivesspace.lib.lehigh.edu//repositories/7/archival_objects/76713 Accessed May 19, 2026.