Earthquake history of the United States.

Coffman, Jerry L.
[Boulder, Colo.] : Environmental Data Service; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1973.
Rev. ed. (through 1970) Edited by Jerry L. Coffman [and] Carl A. von Hake.

Earthquake history of the United States

Boulder, Colo. : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration and U.S. Dept. of the Interior, Geological Survey ; Washington, D.C. : For sale by the Supt. of Docs., U.S. G.P.O., 1982.
Rev. ed. (through 1970), repr. 1982 with supplement (1971-80).