Earthquake history of the United States

APA Citation

Coffman, J. L., Von Hake, C. A., U.S. Coast and Geodetic Survey., United States. Environmental Data Service. (1973). Earthquake history of the United States. Rev. ed. (through 1970) [Boulder, Colo.]: Environmental Data Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington].

MLA Citation

Coffman, Jerry L, Carl A Von Hake, U.S. Coast and Geodetic Survey, and United States. Environmental Data Service. Earthquake History of the United States. Rev. ed. (through 1970) [Boulder, Colo.]: Environmental Data Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1973.