At head of title, January, 1925-December, 1926: ... Department of commerce. U.S. Coast and geodetic survey ... - January-March, 1927, ... United States. Department of commerce. Coast and Geodetic survey... - April-December, 1927, U.S. Department of commerce ... Coast and geodetic survey. Essentially a continuation in a new form of the seismological reports of the U.S. Weather bureau which appeared in the Monthly weather review 1914-June, 1924. Data for July-December 1924 is found in the supplement to October-December 1925. By Frank Neumann, January-March, July-December, 1925, April 1926-December, 1927. By Frank Neumann and Jerry H. Service, April-June, 1925, January-March, 1926.