The Online Books Page

Books by H. L. Riley:

Books in the extended shelves:

• Riley, H. L. (Harold L.): A combination cleaning and dewatering process for treating fine sizes of coal : preliminary report (U.S. Dept. of the Interior, Bureau of Mines, 1948), also by B. W. Gandrud (page images at HathiTrust)
• Riley, H. L. (Harold L.): Crushed limestone operations, Watauga quarry, Watauga Stone Co., Carter County, Tenn. (U.S. Dept. of the Interior, Bureau of Mines, 1963), also by H. J. Schroeder and United States Bureau of Mines (page images at HathiTrust)
• Riley, H. L. (Harold L.): Laboratory evaluation of vacuum flotation for cleaning coal fines (U.S. Dept. of the Interior, Bureau of Mines, 1954), also by B. W. Gandrud and United States Bureau of Mines (page images at HathiTrust)
• Riley, H. L. (Harold L.): Methods for producing dimension stone, Crab Orchard Stone Co., Inc., Cumberland County, Tenn. (U.S. Dept. of the Interior, Bureau of Mines :, 1962), also by H. J. Schroeder (page images at HathiTrust)
• Riley, H. L. (Harold L.): Recent developments in combination cleaning and dewatering of fine sizes of coal (U.S. Dept. of the Interior, Bureau of Mines, 1950), also by B. W. Gandrud (page images at HathiTrust)
• Riley, H. L. (Harold L.): Washability study of coal from a strip pit bed on the Cumberland Plateau, near Chalybeate Van Buren County, Tenn. (U.S. Dept. of the Interior, Bureau of Mines, 1949), also by B. W. Gandrud (page images at HathiTrust)

Find more by H. L. Riley at your library, or elsewhere.