United States earthquakes 1951 / by Leonard M. Murphy and W-illiam K. Cloud.
Murphy, Leonard M.
United States earthquakes 1951 / by Leonard M. Murphy and W-illiam K. Cloud. - Washington. : United States Coast and Geodetic Survey - 54 p. - Serial; no. 762 .
United States earthquakes 1951 / by Leonard M. Murphy and W-illiam K. Cloud. - Washington. : United States Coast and Geodetic Survey - 54 p. - Serial; no. 762 .