UNT Libraries Government Documents Department - 2 Matching Results

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Primary view of Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses
Lord, N. W.
1913
Primary view of 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
Lord, N. W.
1913