Manual of first-order leveling / by Henry G. Avers.

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Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Avers, H. G. (Henry Godfrey), 1886-1947
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Govt. Print. Off, 1935.
Series:	Special publication (U.S. Coast and Geodetic Survey) ; no. 140.
Subjects:	Leveling.

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