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World Survey of Tantalum Ore (open access)

World Survey of Tantalum Ore

Report issued by the U.S. Bureau of Mines discussing the occurrences of tantalum in different areas of the world. The tantalum deposits are described in reference to each individual country that it is found in. This report includes maps, tables, and illustrations.
Date: March 1945
Creator: Baker, James S.
Object Type: Report
System: The UNT Digital Library
[Letter from John R. Hecht to Isaac H. Kempner, June 20, 1945] (open access)

[Letter from John R. Hecht to Isaac H. Kempner, June 20, 1945]

Letter from John R. Hecht to Isaac H. Kempner discussing trade and roof shingles.
Date: June 20, 1945
Creator: Hecht, John R.
Object Type: Letter
System: The Portal to Texas History
[Letter from Isaac H. Kempner to John R. Hecht, June 12, 1945] (open access)

[Letter from Isaac H. Kempner to John R. Hecht, June 12, 1945]

Letter from Isaac H. Kempner to John R. Hecht discussing the latter's letter and the possibilities for trading with Canada.
Date: June 12, 1945
Creator: Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type: Letter
System: The Portal to Texas History
[Letter from John R. Hecht to Isaac H. Kempner, July 9, 1945] (open access)

[Letter from John R. Hecht to Isaac H. Kempner, July 9, 1945]

Letter from John R. Hecht to Isaac H. Kempner discussing witting letters to companies asking if they're interested in Canadian shingles.
Date: July 9, 1945
Creator: Hecht, John R.
Object Type: Letter
System: The Portal to Texas History