Author: AVERS (H eñry Godfrey)

Description

VEPOSITQRy AVERS (H Eñry Godfrey). Precise leveling in Texas, WasHington, 1929. UNITED STATES OF AMERICA. Departments of State and Official BGdies. Department of Commerce. Cotand Gecdetic Survey. (Special PublicatLons.j No. 77.

Card ID: 257