The Hazel Copper-Silver Mine, Culberson County, Texas (open access)

The Hazel Copper-Silver Mine, Culberson County, Texas

Report concerning the availability of ore reserves in the Culberson County, Texas. Report offers an overview of the history, production, extraction and recommendation for ore mining. Index starts after page 21.
Date: August 1952
Creator: Flawn, Peter T.
System: The Portal to Texas History
Paleontology of the Rustler Formation Culberson County, Texas (open access)

Paleontology of the Rustler Formation Culberson County, Texas

Report detailing the results of a study examining fossils found in the Rustler formation to substantiate the "Permian age of the Rustler formation." An errata sheet at the end includes corrections.
Date: September 1953
Creator: Walter, J. C., Jr.
System: The Portal to Texas History
The Rustler Springs Sulphur Deposits As a Source of Fertilizer (open access)

The Rustler Springs Sulphur Deposits As a Source of Fertilizer

"The purpose of the present report is to review briefly the geology of the Rustler Springs district, describe the occurrence of some of the acidic sulphur earth deposits...and discuss some of the economic aspects involved in production of mineral fertilizer from these deposits" (p. 5).
Date: September 1946
Creator: Evans, Glen L. (Glen Louis), 1911-
System: The Portal to Texas History