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open access

United States Earthquakes, 1943

Description: Report discussing earthquake activity in the United States during 1943. The report is broken down by regions and has sections for specific earthquakes.
Date: 1943
Partner: UNT Libraries Government Documents Department
open access

United States Earthquakes, 1944

Description: Report discussing earthquake activity in the United States during 1944. The report is broken down by regions and has sections for specific earthquakes.
Date: 1944
Partner: UNT Libraries Government Documents Department
open access

United States Earthquakes, 1935

Description: Report discussing earthquake activity in the United States during 1935. The report is broken down by regions and has sections for specific earthquakes.
Date: 1935
Partner: UNT Libraries Government Documents Department
open access

Statistical Summary of Daily Values Data and Trend Analysis of Dissolved-Solids Data at National Stream Quality Accounting Network (NASQAN) Stations

Description: From abstract: A statistical summary of the available continuous and once-daily discharge, specific-conductance, dissolved oxygen, temperature, and pH data collected at NASQAN stations during the 1973-81 water years and documentation of the period of record on which the statistical calculations were based are presented.
Date: 1983
Creator: Wells, Frank C. & Schertz, Terry L.
Partner: UNT Libraries Government Documents Department
open access

Copper Mining in North America

Description: From introduction: "In this paper are assembled and summarized many subjects relating to the copper industry in North America. Production of mines and districts, history of the industry in North America. Production of mines and districts, history of the industry, geology, of the principal deposits, and mining methods and costs are discussed."
Date: 1938
Creator: Gardner, E. D.; Johnson, C. H. & Butler, B. S.
Partner: UNT Libraries Government Documents Department
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