TY - BOOK AU - O'Harra,Cleophas C. AU - Coolbaugh,Melville Fuller AU - Ehle,Mark A.,jr AU - Fulton,Charles Herman TI - The cement resources of the Black hills: Including tests on cements made from Black hills material T2 - Bulletin no. 8. South Dakota school of mines. Departments of geology, chemistry, mining and metallurgy AV - TN24.S8 A3 no. 8 U1 - (265) S2b no.8 PY - 1908/// CY - Rapid City, S.D. KW - Cement KW - South Dakota N1 - pt. I. The geology of the Black hills cement material, by C. C. O'Harra.--pt. II. Outline for the analysis of [1] cements and cement materials, by M. F. Coolbaugh.--pt. III. The preparation of the cement from the raw material for experimental purposes, by C. H. Fulton.--pt. IV. Experimental tests on Black hills cement, by Mark Ehle, jr ER -