00999cam a22002771i 4500 gs 08000008 DLC 20260227111307.0 791206s1908 dcu f000 0 eng gs 08000008 (OCoLC)28264574 DLC MdBJ OCoLC DLC premarc TP235 .R2 Randall, Dwight T. The purchase of coal under government and commercial specifications on the basis of its heating value, with analyses of coal delivered under government contracts / Dwight T. Randall. Washington : Govt. Print. Off., 1908. 27, i p.; 24 cm. U.S. Geological Survey. Bulletin no. 339 Subject series: Q, Fuels, 10. Issued also as House doc. no. 734, 60th Cong., 1st sess. "Some publications on coal": p. 27. Coal. Coal Testing. Geological Survey (U.S.). Bulletin ; no. 339. 24701 24701