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Geodetic Operations in the United States, 1906-1909, a Report to the 16th General Conference of the International Geodetic Association, by O.H. Tittmann ... and John F. Hayford ...

Otto Hilgard Tittmann

出版	U.S. Government Printing Office, 1909
URL	http://books.google.com.hk/books?id=t6FzQwAACAAJ&hl=&source=gbs_api