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Economic Geology of the Independence Quadrangle, Kansas
From introduction: The aim of this paper is to present the substance of what is known concerning the distribution, occurrence, and development of the oil and gas of the quadrangle, and to note briefly the more important industries growing out of these natural resources or depending on them within the territory considered.
Date:
1906
Creator:
Schrader, Frank C. & Haworth, Erasmus
System:
The UNT Digital Library
Reconnaissance of Some Gold and Tin Deposits of the Southern Appalachians: With Notes on the Dahlonega Mines
From introduction: This report is a brief preliminary study of the mineral resources of a portion of the Piedmont region.
Date:
1906
Creator:
Graton, L. C. & Lindgren, Waldemar
System:
The UNT Digital Library
Zinc and Lead Deposits of the Upper Mississippi Valley
From introduction: This report investigates the zinc and lead deposits of the Upper Mississippi Valley.
Date:
1906
Creator:
Bain, Harry Foster
System:
The UNT Digital Library