Carbonizing properties of velva lignite from Ward county, N. Dak., and monarch coal from Sheridan county, Wyo.
By: by D.A. Reynolds, J.D. Davis, W.H. Ode ... [and others]
Series: United States. Bureau of mines. Technical paper; 695.
Publisher: U.S. Govt. print. off.
Published: 1946
Place of publication: Washington
Language: eng
Number of pages: 41
Subjects: Lignite -- Testing; Carbonization
Notes: "Publications in the survey of carbonizing properties of American coals": p. 38-41.
At headf of title: United States Dept. of the Interior ... Bureau of Mines.