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[Postcard of Mammoth Cave "Star Chamber"]
Postcard of the "Star Chamber" in Mammoth Cave, Kentucky. A handwritten note addressed to Miss Helen Aten from Woodrow W. Aten at Camp Campbell says "Dear all: I didn't have too much time to mail cards yesterday. The trip to the cave was very enjoyable and we had a perfect day too I am certain. Today was still warm and I was on the range. Bro. Woodrow."
Date:
March 15, 1943
Creator:
Aten, Woodrow W.
Object Type:
Postcard
System:
The Portal to Texas History
Comparative Yields of Light Oil, Tar, and Constituents from Carbonization Tests at 800 Degrees, 900 Degrees, and 1,000 Degrees Celsius
Report issued by the U.S. Bureau of Mines on testing done on a variety of American coals collected from 32 coal beds across the country. The carbonizing properties of samples tested at 3 different temperatures are presented. This report includes tables, and graphs.
Date:
March 1943
Creator:
Holmes, C. R.; Wilson, J. E. & Davis, J. D.
Object Type:
Report
System:
The UNT Digital Library