The purchase of coal under government and commercial specifications on the basis of its heating value, with analyses of coal delivered under government contracts
By: Dwight T. Randall.
Series: U.S. Geological Survey. Bulletin; no. 339
Publisher: Govt. Print. Off.
Published: 1908
Place of publication: Washington
Language: eng
Number of pages: 27
Subjects: Coal.; Coal -- Testing.
Notes: "Some publications on coal": p. 27.
Subject series: Q, Fuels, 10.
Issued also as House doc. no. 734, 60th Cong., 1st sess.