Beginning with 1926 observations were recorded at a new station at San Juan, Puerto Rico.Title varies slightly.By Daniel L. Hazard, 1903/1904-1921/1922; by W.N. McFarland, 1923/1924.At head of title, 1903/1904- : Department of Commerce and Labor. Coast and Geodetic Survey. O.H. Tittmann, superintendent.Daniel L. Hazard, computer, Division of Terrestrial Magnetism, 1903/1904-Mode of access: Internet
1902/03-1905/06 by L. A. Bauer; 1906/07-1913, by R. L. Faris; 1914-1930 by D. L. Hazard.Description ...
Title varies slighly.Description based on: 1904/1905.Report year ends June 30; 1902/03-1911/12.Mode ...
Vols. for 1901/02-19 edited by Daniel L. Hazard, assistant chief, Division of Terrestrial Magnetism...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
1902/03-1905/06 by L. A. Bauer; 1906/07-1913, by R. L. Faris; 1914-1930 by D. L. Hazard.Description ...
Title varies slighly.Description based on: 1904/1905.Report year ends June 30; 1902/03-1911/12.Mode ...
Vols. for 1901/02-19 edited by Daniel L. Hazard, assistant chief, Division of Terrestrial Magnetism...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
v. illus., plates, tables, diagrs. (partly fold.) 31 cm.At head of title, 1903-1904-- :Department of...
1902/03-1905/06 by L. A. Bauer; 1906/07-1913, by R. L. Faris; 1914-1930 by D. L. Hazard.Description ...
Title varies slighly.Description based on: 1904/1905.Report year ends June 30; 1902/03-1911/12.Mode ...
Vols. for 1901/02-19 edited by Daniel L. Hazard, assistant chief, Division of Terrestrial Magnetism...