The Online Books Page

Books by O. H. Tittmann:

Books in the extended shelves:

• Tittmann, O. H. (Otto Hilgard), 1850-1938: Atlas of the international boundary between the United States and Canada, Arctic Ocean to Mount St. Elias (Dept. of the Interior :, 1918), also by International Boundary Commission, J. J. McArthur, W. F. King, E. C. Barnard, and Geological Survey (U.S.) (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Canadian boundaries. (Govt. print. off., 1908), also by United States House Committee on Foreign Affairs (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Geodesy. On the measurement of the base lines at Holton, Indiana and at St. Albans, West Virginia 1891 and 1892. Reports of the measurements of Holton Base (Gov't Print. Off., 1893), also by U.S. Coast and Geodetic Survey, Robert Simpson Woodward, and A. T. Mosman (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Geodetic operations in the United States, 1903-1906: a report to the 15th general conference of the International Geodetic Association (Govt. print. off., 1906), also by John Fillmore Hayford and U.S. Coast and Geodetic Survey (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Geodetic operations in the United States 1906-1909 : a report to the sixteenth general conference of the International geodetic association (Washington : Govt. Print. Off, 1909., 1909), also by U.S. Coast and Geodetic Survey, John Fillmore Hayford, and Internationale Erdmessung. 16 (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Report on geodetic operations in the United States to the fourteenth general conference of the International Geodetic Association. (Govt. Print. Off., 1903), also by Denmark) Internationale Erdmessung. Allgemeine Conferenz 1903 : Copenhagen (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Report on the resurvey of the Maryland-Pennsylvania boundary part of the Mason and Dixon line. (Harrisburg Pub. Co., 1909), also by Mason and Dixon line resurvey commission (page images at HathiTrust)
• Tittmann, O. H. (Otto Hilgard), 1850-1938: Report on the resurvey of the Maryland-Pennsylvania boundary part of the Mason and Dixon line (Harrisburg Pub. Co., state printer, 1909), also by Mason and Dixon line resurvey commission and Pennsylvania. Dept. of Internal Affairs (page images at HathiTrust; US access only)

Find more by O. H. Tittmann at your library, or elsewhere.