Author: HAZARD (Daniel Lypmn)

Description

DEPOSLIORT HAZARD (Daniel Lypmn). Progress of work in terrestrial magnetism, of the U.S. Coast and Geodetic Survey, July 1, 1927, to June 30,1930. W’hington, 1930. UNITED STATES OF AMERICM Departments of State and Official Bodies. Deoartitent of Commerce. Coast and Geodetic §rvey. [Special Publicationa.] No. i68.

Card ID: 420