The Online Books Page

Books by Roy H. Grau:

Books in the extended shelves:

• Grau, Roy H.: Analysis of acoustic responses of domal salt mine samples (U.S. Dept. of the Interior, Bureau of Mines, 1990), also by Thomas E. Marshall (page images at HathiTrust)
• Grau, Roy H.: Economic evaluation of horizontal borehole drilling for methane drainage from coalbeds (U.S. Dept. of the Interior, Bureau of Mines, 1986), also by E. C. Baker and Gerald L. Finfinger (page images at HathiTrust)
• Grau, Roy H.: Economic evaluation of horizontal borehole drilling for methane drainage from coalbeds (U.S. Dept. of the Interior, Bureau of Mines, 1986), also by E. C. Baker and Gerald L. Finfinger (page images at HathiTrust)
• Grau, Roy H.: Methane emissions from U.S. coal mines in 1980 (United States Dept. of the Interior, Bureau of Mines, 1984), also by John C. LaScola (page images at HathiTrust)
• Grau, Roy H.: Methane emissions from U.S. coal mines in 1980 (United States Dept. of the Interior, Bureau of Mines, 1984), also by John C. LaScola (page images at HathiTrust)

Find more by Roy H. Grau at your library, or elsewhere.