More about R. L. Brown:
| | Books by R. L. Brown: Books in the extended shelves: Brown, R. L.: Annual report of research and technologic work on coal and related investigations : fiscal year 1952 (U.S. Dept. of the Interior, Bureau of Mines, 1953), also by W. H. Ode (page images at HathiTrust) Brown, R. L.: Annual report of research and technologic work on coal : fiscal year 1951 (U.S. Dept. of the Interior, Bureau of Mines, 1952), also by E. P. Carmann (page images at HathiTrust) Brown, R. L.: Compulsory education (1883) (page images at HathiTrust) Brown, R. L.: Report of research and technologic work on coal and related investigations : July 1, 1952 to December 31, 1953 (U.S. Dept. of the Interior, Bureau of Mines, 1954), also by E. P. Carman and United States Bureau of Mines (page images at HathiTrust) Brown, R. L.: Use of anthrafines for producing metallurgical coke (U.S. Dept. of the Interior, Bureau of Mines, 1956), also by John B. Gayle and William H. Eddy (page images at HathiTrust)
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