"Final Report: An Investigation of On-shore and Off-shore Physical Features of Potential Port Sites, Puerto Rico", three copies, 1960

"Final Report: An Investigation of On-shore and Off-shore Physical Features of Potential Port Sites, Puerto Rico", three copies, 1960, Box: 47, Folder: 2. Cornell University Center for Aerial Photographic Studies records, 16-4-4213. Division of Rare and Manuscript Collections. https://aspace3-test.library.cornell.edu/repositories/2/archival_objects/322168 Accessed July 28, 2025.