Citations
US coast and geodetic survey special publication 114. Triangulation in Maryland, 1925, GBR/3296/Maps/CCSA.BWA_332_1/3, BWA_332_1/3. Cambridge University Library. |
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US coast and geodetic survey special publication 114. Triangulation in Maryland, 1925, GBR/3296/Maps/CCSA.BWA_332_1/3, BWA_332_1/3. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/235851 Accessed April 23, 2025. |