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American Lignites: Geological Occurrence, Petrographic Composition, And Extractable Waxes
Report discussing experiments done on expandable waxes of lignites to determine yields and properties from certain place in the United States.
Date:
1950
Creator:
Selvig, W. A.; Ode, W. H.; Parks, B. C. & O'Donnell, H. J.
Object Type:
Report
System:
The UNT Digital Library
[Picture postcard: UNDERCUT OF A 12FT WASHINGTON DOUGLAS FIR TREE ; Letter from R. D. Hill addressed to T. N. Carswell - April 4, 1950]
A pPicture postcard titled: "Undercut of a 12 Ft. Washington Douglas Fir Tree." Photo by Sorrenson Photo. The reverse side includes correspondence from Hill addressed to Mr. T. N. Carswell, Abilene Machine Co., Abilene, Texas postmarked LONGVIEW WASH. APR 4 1950. "Will write you when I get back to Albuquerque - Regards to all."
Date:
April 15, 1950
Creator:
Hill, R. D.
Object Type:
Photograph
System:
The Portal to Texas History