Citations
US coast and geodetic survey special publication 13. The California-Washington arc of primary triangulation, 1913, GBR/3296/Maps/CCSA.BWA_332_1/5, BWA_332_1/5. Cambridge University Library. |
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US coast and geodetic survey special publication 13. The California-Washington arc of primary triangulation, 1913, GBR/3296/Maps/CCSA.BWA_332_1/5, BWA_332_1/5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/235853 Accessed October 18, 2024. |