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Mexico. Geodesy. *4E 5142.5 —*5920,.83
United States. Hydrographic office. Publication. No. 76., Telegraphic determination...
(Continued). . John Alexander Norris and Charles Laird [ete.| e Washington. Govt. pr. office. 1885. 151, (1), pp» Pls. Tables. 4°.
Two copies on *5920.83.