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Percussive drilling with independent rotation / by Harold F. Unger and Robert R. Fumanti.

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Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Unger, Harold F.
Corporate Author:	United States. Bureau of Mines
Other Authors:	Fumanti, Robert R.
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : U.S. Dept. of Interior, Bureau of Mines, 1972.
Series:	Report of investigations (United States. Bureau of Mines) ; 7692.
Subjects:	Drilling and boring machinery. Boring. Percussion drilling.

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Call Number:	I 28.23:7676-7700
I 28.23:7676-7700	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. Experimental investigations of an open-cycle, vortex MHD generator / by George J. Con... Methane diffusion parameters for sized coal particles : a measuring apparatus and som... Oil yields and stratigraphy of the Green River Formation's Tipton Member at Bureau of... Low-temperature heat capacities and high-temperature enthalpies of sodium chromate /... Estimating nahcolite and dawsonite content of Colorado oil shale from oil-yield assay... Dispersion strengthening of internally oxidized iron-aluminum alloys / by Mark I. Cop... A solid-state amplifier for the bridge circuit of a mercury detector / by C. Melvin L... A comparison of borer, ripper, and conventional mining products in Illinois No. 6 sea... Hydrocarbon gases produced in a simulated swamp environment / by A.G. Kim and L.J. Do... Stability constants of metal coordination compounds : complexes of N-ethylethylenedia... The statistical and spatial evaluation of sulfur and ash in coal seams / by Manuel Go... Extraction of manganese from Georgia umber ores by a sulfuric acid-ferrous sulfate pr... Oilfields and crude oil characteristics : Cook Inlet Basin, Alaska / by Donald P. Bla... Oil yields and characteristics of Green River Formation oil shales at WOSCO EX-1, Uin... Sample preparation variability in diamond-drill core from the Homestake Mine, Lead, S... Optimizing decomposition of carbonyl sulfide in an electrical discharge / by Larry A.... Reducing surface hot shortness of copper-bearing steels / by Mark I. Copeland and Joh... Percussive drilling with independent rotation / by Harold F. Unger and Robert R. Fuma... Recovery of precious metals from electronic scrap / by R.O. Dannenberg, J.M. Maurice,... Forecasting the properties of coal seams in place / by Manuel Gomez and Donald J. Don... A three-minute gas chromatographic analysis of the main constituents of mine atmosphe... Interpretation of gas chromatographic spectra in routine analysis of exhaust hydrocar... Computer program for pit slope stability analysis by the finite element stress analys... Drillability studies : percussive drilling in the field / by Robert L. Schmidt.