Results of observations made at the United States Coast and geodetic survey magnetic observatory near Tucson, Arizona, 1917 and 1918 /

Bibliographic Details
Main Author: Hazard, Daniel L.‏ ‎ 1865-‏ (Daniel Lyman)
Format: Book
Language:English
Published: Washington : Government Printing Office, 1921.
Series:Department of Commerce. U.S. Coast and Geodetic Survey. Serial ; 155
Subjects: