Author: Geological Survey / Catalog Issue Year Decade: 1940 - 1949 / Sudoc Stem: I 28.27 - Blacklight Search Results

Start Over Author Geological Survey Catalog Issue Year Decade 1940 - 1949 Sudoc Stem I 28.27

1. Coal mines and mining. Suggested hoisting-signal code for slope coal mines and for shaft mines having only one level; by D. Harrington and J. H. East, jr.

Corporate/Agency Authors:: Mines Bureau, Geological Survey, and Interior Department
Publisher:: Mines Bureau
Date:: July 1944
SuDoc number:: I 28.27:7291

2. Coal mines and mining. Testing safety catches on mine cages at some eastern bituminous coal mines; by H. J. Sloman.

Corporate/Agency Authors:: Mines Bureau, Geological Survey, and Interior Department
Publisher:: Mines Bureau
Date:: July 1944
SuDoc number:: I 28.27:7290

3. Metal mines and mining. Suggested hoisting-signal code for metal-mine shafts; by D. Harrington and J. H. East, jr.

Corporate/Agency Authors:: Mines Bureau, Geological Survey, and Interior Department
Publisher:: Mines Bureau
Date:: July 1944
SuDoc number:: I 28.27:7289

4. Coal mines and mining. Tentative inspection standards for anthracite mines.

Corporate/Agency Authors:: Mines Bureau, Geological Survey, and Interior Department
Publisher:: Mines Bureau
Date:: May 1944
SuDoc number:: I 28.27:7282