一般注記At head of title, 1902/03-1927: Terrestial magnetism.
Vols. for 1902/1903-1910/11 are appendices to the Report of the Superintendent U.S. Coast and Geodetic Survey, 1902/03-1910/11.
Vols. for 1911/12-1925 issued as United States. Coast and Geodetic Survey. Special publication no. 15, 20, 25, 36, 42, 51, 55, 64, 72, 87, 94, 102, 116, 125.
Vol. for 1914-1930 issued as Serial no. 3, 36, 61, 88, 195, 128, 161, 205, 235, 268, 312, 353, 393, 423, 455, 482, 544.
Description based on: 1926.
1902/03-1905/06 by L.A. Bauer; 1906/07-1913, by R.L. Faris; 1914-1930 by D.L. Hazard.