Citations
'U.S. Geological Survey provisional edition maps', 1982, GBR/3296/Maps/CCSA.IM_500_2, IM_500_2. Cambridge University Library. |
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'U.S. Geological Survey provisional edition maps', 1982, GBR/3296/Maps/CCSA.IM_500_2, IM_500_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239998 Accessed May 15, 2025. |