United States Earthquakes, 1959 (open access)

United States Earthquakes, 1959

Report discussing earthquake activity in the United States during 1959. The report is broken down by regions and has sections for specific earthquakes.
Date: 1959
Creator: unknown
System: The UNT Digital Library
Iron-Ore Resources of the United States: Including Alaska and Puerto Rico, 1955 (open access)

Iron-Ore Resources of the United States: Including Alaska and Puerto Rico, 1955

From introduction: The purpose of this report is to summarize available information concerning iron-ore resources in the United States in order to provide a general background for understanding and appraising the present status of this basic commodity.
Date: 1959
Creator: Carr, Martha S. & Dutton, Carl E.
System: The UNT Digital Library