Volume 177
Coal Division 1948
Papers and Discussions Presented before the Division at Meetings held at Chicago February 25-28, 1946; Philadelphia, October 24-25, 1946; New York, March 17-19, 1947, February 15- 19, 1948; Cincinnati, October 20-21, 1947; White Sulphur Springs, November 3-4, 1948
Title Page
Foreword By Clayton G. Ball
Contents
A.I.M.E. Officers and Directors
Coal Division Officers and Committees

PAPERS:

Reserves and Mining

TITLE AUTHOR
Pittsburgh Coal Seam in Northern West Virginia (T.P. 2425, Coal Tech., Aug. 1948, with discussion) S. D. Brady, Jr., and W. D. Steele
How Much Coal Do We Really Have? The Need for an Up-to-date Survey (T.P. 2428, Coal Tech., Aug. 1948, with discussion) Andrew B. Crichton
Symposium on Grouting (T.P. 2427, Coal Tech., Aug. 1948, with discussion)  
Introduction-Grouting in Mines F. C. Sturges
Use and Technique of Pressure Grouting in the Construction Industry V. L. Minear
Technique of Pressure Cementing in the Petroleum, Mining, and Construction Industries Wm. D. Owsley and R. E. Moeller
An Example of Controlled Pre-grouting in Shaft Sinking R. H. Allen and J. W. Galpin
Solidifying Mines and Shafts Areas by Pressure Grouting B. H. Mot
Grouting in Southeast Missouri District W. W. Weigel
Barrier Pillars in the Anthracite Region of Pennsylvania (T.P. 2289, Coal Tech., Nov. 1947, with discussion) S. H. Ash and W. L. Eaton
Oil and Gas Wells Drilled through Workable Coal Seams (T.P. 2430, Coal Tech., Nov. 1948) Arch J. Alexander
Maintenance of Coal Mining Equipment. Report of Maintenance Committee-Coal Division AIME (T.P. 2378, Coal Tech., May 1948) A. Lee Barrett
Sectionalizing Power Distribution Underground (T.P. 2345, Coal Tech., Feb. 1948) A. Lee Barrett
Methods of Disposal and Handling of Refuse at Anthracite Mines in Eastern Pennsylvania (T.P. 2128, Coal Tech., Feb. 1947) George J. Clark
Experience with a Training Program (T.P. 2118, Coal Tech., Nov. 1946) J. E. Norton

Ventilation, Drainage, and Haulage

TITLE AUTHOR
The Use of Smoke Apparatus in Practical Mine Ventilation Work (T.P. 2206, Coal Tech., May 1947, with discussion) A. T. Beckwith
Core Drilled Shafts for Ventilation and Emergency Escapeways (T.P. 2234, Coal Tech., Aug. 1947, with discussion) F. C. Sturges
The Action of Certain Microorganisms in Acid Mine Drainage (T.P. 2381, Coal Tech., May 1948, with discussion) M. E. Hinkle and W. A. Koehler
Shuttle-car Haulage (T.P. 2198, Coal Tech., May 1947); D. R. Mitchell, J. H. Kelley, Richard L. Ash, J. D. Morgan, Jr., W. H. McCracken, and William Bellano
Modern Haulage to Meet Local Conditions (T.P. 2207, Coal Tech., May 1947) G. S. Jenkins

Safety

TITLE AUTHOR
The Foundation of Safety Engineering and Planning (T.P. 2424, Coal Tech., Aug. 1948) J. D. Cooner
Safety Considerations for Flame-resisting Trailing Cables (T.P. 2288, Coal Tech., Nov. 1947 F. E. Griffith
Safe Timbering of Working Places in Mobile Loading (T.P. 2252, Coal Tech., Nov. 1947) E. F. Miller
Transportation Hazards-Causes and Prevention (T.P. 2452, Coal Tech., Nov. 1948) Andrew Hyslop, Jr.

Preparation

TITLE AUTHOR
Preliminary American Tests of a Cyclone Coal Washer Developed in the Netherlands (T.P. 2136, Coal Tech., Feb. 1947, with discussion) M. R. Geer and H. F. Yancey
The Use of Hydraulic Cyclones as Thickeners and Washers in Modern Coal Preparation (T.P. 2135, Coal Tech., Aug. 1947) M. G. Driessen
The Cyclone as a Thickener of Coal Slurry (T.P. 2351, Coal Tech., Feb. 1948, with discussion) H. F. Yancey and M. R. Geer
The Operation of a Froth Flotation Plant on Washery-water Solids (T.P. 2199, Coal Tech, May 1947, with discussion) W. J. Parton and C. D. Rubert
Flotation Treatment of Washery Water at the Empire, Alabama, Mine of the DeBardeleben Coal Corporation (T.P. 2205, Coal Tech., May 1947, with discussion) B. W. Gandrud and H. L. Riley
Froth Flotation of Minus &mesh Bituminous Coal Slurries (T.P. 2209, Coal Tech., Aug. 1947, with discussion) D. H. Davis
Flotation of Bituminous Coal (T.P. 2397, Coal Tech., May 1948, with discussion) R. E. Zimmerman
Cleaning Anthracite Silt for Boiler Fuel with Humphreys Spiral Separator (T.P. 2479, Coal Tech., Nov. 1948, with discussion) W. L. Dennen and V. H. Wilson
Grinding of Anthracite for Pulverized Fuel (T.P. 2061, Coal Tech., Aug. 1946) C. H. Frick
Increasing the Value of Coal Silts by Pelletization (T.P. 2429, Coal Tech., Aug. 1948, with discussion) R. J. Day and C. C. Wright
Estimates of Moisture Increases Due to Water-spraying Coal for Dust Control (T.P. 2386, Coal Tech., May 1948) T. W. Guy
The Thermal Drying of Fine Coal (T.P. 2399, Coal Tech., .Aug. 1948, with discussion) Orville R. Lyons and A. C. Richardson
Recovery of Resin from Utah Coal (T.P. 2166, Coal Tech. and Mining Tech., May 1947, with discussion) Ernest Klepetko
Maintenance of a Coal Cleaning Plant (T.P. 2379, Coal Tech., May 1948, with discussion) Ralph M. Hunter

Handling and Utilization

TITLE AUTHOR
Coal Dock Operations of the North Western-Hanna Fuel Company at the Head of the Lakes (T.P. 2481, Coal Tech., Nov. 1948) J. T. Crawford
Use of Illinois Coal in the Production of Metallurgical Coke (T.P. 2491, Coal Tech., Nov. 1948) Frank H. Reed, Harold W. Jackman, and P. W. Henline
The Relation of Free-swelling Indexes to Other Characteristics of Some Alabama Domestic Stoker Coals (T.P. 2314, Coal Tech., Feb. 1948, with discussion) Reynold Q. Shotts
Low Temperature Reactions of Oxygen on Bituminous Coal (T.P. 2233, Coal Tech., Aug. 1947) H. C. Howard
Determination of Petrographic Components of Coal by Examination of Thin Sections (T.P. 2492, Coal Tech., Nov. 1948) B. C. Parks And H. J. O’Donnell

Smoke Control

TITLE AUTHOR
Stability of the Atmosphere and Its Influence on Air Pollution (T.P. 2395, Coal Tech., May 1948) Henry F. Heblby
Significance of Condensation Nuclei in Atmospheric Pollution (T.P. 2396, Coal Tech., May 1948) Hans Neuberger

INDEX

TITLE AUTHOR
Index