US Code
CHAPTER 1— UNITED STATES BUREAU OF MINES
§ 4c. Investigation of sub-bituminous and lignite coal

The United States Bureau of Mines, under the general direction of the Secretary of the Interior, is authorized to conduct investigations, studies, and experiments on its own initiative and in cooperation with individuals, State institutions, laboratories, and other organizations, with a view to (1) the development of a commercially practicable carbonization method of processing sub-bituminous and lignite coal so as to convert such coal into an all-purpose fuel, to provide fertilizers, and obtain such other byproducts thereof as may be commercially valuable; (2) the development of efficient methods, equipment, and devices for burning lignite or char therefrom; and (3) determining and developing methods for more efficient utilization of such sub-bituminous and lignite coal for purposes of generating electric power.

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