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Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples
From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and inasmuch as they were recorded under widely differing conditions, they necessarily vary in fullness detail."
Date:
1913
Creator:
Lord, N. W.
System:
The UNT Digital Library
Investigation of Chromite Deposits of the Stillwater Complex, Stillwater and Sweetgrass Counties, Montana
Report issued by the Bureau of Mines regarding the chromite deposits in Stillwater and Sweetgrass counties. Characteristics of the chromite samples are presented. This report includes tables, maps, and illustrations.
Date:
December 1948
Creator:
Wimmler, Norman L.
System:
The UNT Digital Library