Publish Year Decade: 1950 - 1959 / Sudoc Stem: I 28.27 - Blacklight Search Results

Start Over Publish Year Decade 1950 - 1959 Sudoc Stem I 28.27

231. Information circulars. 7636. List of respiratory protective devices approved by Bureau of Mines; by S. J. Pearce and L. B. Berger.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: June 1952
SuDoc number:: I 28.27:(nos.)

232. Information circulars. 7637. Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.; by L. W. Kelly.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: June 1952
SuDoc number:: I 28.27:(nos.)

233. Information circulars. 7638. Recommendations for improved shuttle-car-haulage safety; by D. S. Kingery.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: June 1952
SuDoc number:: I 28.27:(nos.)

234. Information circulars. 7626. Two-way radio communication at Santa Rita open pit, Kennecott Copper Corp., Santa Rita, N. Mex.; by Allen D. Look and L. A. Van Fleet.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: May 1952
SuDoc number:: I 28.27:(nos.)

235. Information circulars. 7633. Economic benefits of systematic roof bolting in Zeigler no. 3 mine. Bell & Zollor Coal & Mining Co., Williamson County, Ill.; by L. W. Kelly.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: May 1952
SuDoc number:: I 28.27:(nos.)

236. Information circulars. 7627. Control of metallurgical and mineral dusts and fumes in Los Angela County, Calif.; by Glenn L. Allen, Floyd H. Viets, and Louis C. McCabe.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: Apr. 1952
SuDoc number:: I 28.27:(nos.)

237. Information circulars. 7631. Mechanical mining in some bituminous-coal mines: Progress report 6, Extraction of pillars with mechanized equipment; by Wilbur A. Hater, Joseph J. Shields, Albert L. Toenges, and Louis A. Turnbull.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: Apr. 1952
SuDoc number:: I 28.27:(nos.)

238. Information circulars. 7632. Hazard of tiring open, unconfined shots in coal mines; by M. J. Ankeny.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: Apr. 1952
SuDoc number:: I 28.27:(nos.)

239. Information circular. 7629. Truck haulage at iron mine in Adirondack Moun aims, X. Y.: by Roberts S. Sanford.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: Mar. 1952
SuDoc number:: I 28.27:7629

240. Information circulars. 7628. Modern automatic electrically controlled elevators for transporting men at 2 coal mines in western Pennsylvania; by J. W. Holcomb.

Corporate/Agency Authors:: Mines Bureau and Interior Dept.
Publisher:: Mines Bureau
Date:: Jan. 1952
SuDoc number:: I 28.27:(nos.)

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