Description: Technical paper issued by the Bureau of Mines over studies conducted on the constituents of coal. As stated in the introduction, "this paper presents some results of an investigation of the nature of the chemical compounds that go to make up the complex material known as coal" (p. 5). This report includes tables and a chart.
Creator: Frazer, J. C. W. & Hoffman, E. J.
Item Type: Report
Partner: UNT Libraries Government Documents Department