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Contributions to Economic Geology (Short Papers and Preliminary Reports), 1911: Part 1 -- Metals and Nonmetals Except Fuels
From introduction: The growing economic importance of the Carrville district, Trinity County, California merits notice, and it is hoped that this brief report will direct attention toward it, to the end that mining in general may be benefited.
Date:
1913
Creator:
Lindgren, Waldemar
System:
The UNT Digital Library
The Oil Fields of Allen County Kentucky, with Notes on the Oil Geology of Adjoining Counties
From introduction: The purpose of the field work was to investigate the geology of the county, particularly the structure or lay of the oil-bearing strata and the results of drilling to date. Structural conditions in the producing fields were determined by running level lines to the wells and correlating the data recorded in the well logs generously furnished by the operators.
Date:
1919
Creator:
Shaw, Eugene Wesley & Mather, Kirtley F.
System:
The UNT Digital Library
Some Mining Districts in Northeastern California and Northwestern Nevada
From preface: This report satisfies the demand of the public for reliable information and to gather data which should be of use in planning further geologic work in Nevada.
Date:
1915
Creator:
Hill, James M.
System:
The UNT Digital Library