Cover image for Magnetic surveys : methods, instruments and purposes
Magnetic surveys : methods, instruments and purposes
Title:
Magnetic surveys : methods, instruments and purposes
Author:
U.S. Coast and Geodetic Survey.
Publication Information:
Washington, [D.C.] : G.P.O., 1924.
Physical Description:
12 pages ; 16 cm.
General Note:
"Other activities of the Coast and geodetic survey"--P. 11-12.
Language:
English
Added Corporate Author:
Format :
Book