The Online Books Page

Books by H. G. Avers:

Books in the extended shelves:

• Avers, H. G. (Henry Godfrey), 1886-1947: Hypsometry : precise leveling from Reno to Las Vegas, Nev. and from Tonopah Junction, Nev. to Laws, Cal. (Washington : Govt. Print. Off, 1916., 1916), also by U.S. Coast and Geodetic Survey and G. D. Cowie (page images at HathiTrust)
• Avers, H. G. (Henry Godfrey), 1886-1947: Manual of first-order leveling (U.S. G.P.O., 1929), also by U.S. Coast and Geodetic Survey (page images at HathiTrust)
• Avers, H. G. (Henry Godfrey), 1886-1947: Manual of first-order leveling (Washington, D.C. : U.S. Govt. Print. Off, 1935., 1935) (page images at HathiTrust)
• Avers, H. G. (Henry Godfrey), 1886-1947: Precise leveling in Georgia (Washington : Government Printing Office, 1923., 1923), also by U.S. Coast and Geodetic Survey (page images at HathiTrust)
• Avers, H. G. (Henry Godfrey), 1886-1947: Precise leveling in Texas (Washington : U.S. Govt. Print. Off, 1929., 1929), also by U.S. Coast and Geodetic Survey (page images at HathiTrust)
• Avers, H. G. (Henry Godfrey), 1886-1947: Precise triangulation, traverse, and leveling in North Carolina (Washington, D.C. : U.S. Govt. Print. Off, 1924., 1924), also by Walter D. Sutcliffe (page images at HathiTrust)

Find more by H. G. Avers at your library, or elsewhere.