Volume 108
Coal Division 1934 Papers and Discussions Presented before the Division at Hazleton, PA., October 14-15, 1932; at Columbus, Ohio, October 27-28, 1933, and at New York, February 20-23, 1933, and February 19- 22, 1934
Title Page
Contents
Foreword
Institute Officers and Directors
Coal Division Officers And Committees

PAPERS:

Mining

TITLE AUTHOR
Occurrence and Flow of Gas in the Pocahontas No. 4 Coal Bed in Southern West Virginia Charles E. Lawall and Lee Morris
Yieldable Metal Props for Underground Support (A.I.M.E.Contribution 44; also Trans., vol. 109) Roland D. Parks
Partings in Coal Beds Albert W. Giles
Further Notes on Bumps in No. 2 Mine, Springhill, Nova Scotia (With Discussion) T. L. McCall
Subsidence from Pillar Extraction at Montour No. 10 Mine Adjacent to the Experimental Mine of the U. S. Bureau of Mines (With Discussion) H. C Howarth
Caving Chambers in Bituminous Mines (With Discussion) J. W. Paul and J. N. Geyer

Preparation

TITLE AUTHOR
The Dedusting of Coal (With Discussion) H. F. Hebley
Relationship of Ore Dressing and Coal Preparation (With Discussion) E. A. Holbrook
Modern Power-plant Developments and Their Effect on Coal Production and Preparation. (A.I.M.E.contribution 61) H. M. Faust

Classification

TITLE AUTHOR
Use Classification of Coal for Stationary Steam Generation (With Discussion) T. W. Harris
Classification of Coals of the United States According to Fixed Carbon and B.t.u. (With Discussion) W. A. Selvig, W. H. Ode and A. C. Fieldner
Some Physical Properties of Pennsylvania Anthracite and Related Materials (A.I.M.E.Tech. Pub. 482) J.Leland Myer
Southern High-volatile Coals for Gas and Metallurgical Uses H.N. Eavenson
Preliminary Report on Unit Coal-Specific Gravity Curves of Illinois Coals (Abstract) (With Discussion) L. C. McCabe, D. R. Mitchell and G. H. Cady
Unit Coal as a Basis of Coal Standardization as Applied to Illinois Coals (Abstract) (With Discussion) Gilbert H. Cady and O.W. Rees
Mineral Matter in Coal-A Preliminary Report (With Discussion) A. W. Gauger, E. P. Barrett and F. J. Williams
Ash-to-mineral-matter Correction in Coal Analysis (A.I.M.E. Contribution 68; also Illinois Geol. Survey Report of Investigations No. 32) Gilbert Thiessen
Effect of Oven Humidity on Accelerated Weathering Tests of Coal (With Discussion) E. Stansfield and K. C. Gilbart
Oxidation of Coal and the Relation to Its Analysis (With Discussion) E. Stansfield, W.A. Lang and K. C. Gilbart
Agglomerating and Agglutinating Tests for Classifying Weakly Caking Coals (With Discussion) R. E. Gilmore, G. P. Connell and J. H. H. Nicolls
Estimation of the Grindability of Coal (With Discussion) H. F. Yancey, O. L. Furse and R. A. Blackburn
Relationship between Round and Square-hole Screens for Coal (With Discussion) H. F. Yancey, O. L. Furse and R. A. Blackburn
Reactivity of Anthracite with Carbon Dioxide (With Discussion) W. L. Kleene, H. G. Turner and G. S. Scott
Application of the Micropyrometer for Determining Fusibility of Coal Ash (Abstract) (With Discussion) Roy P. Hudson

Evaluation of Coal for Coke

TITLE AUTHOR
Report of Committee on Evaluation of Coal for Blast-furnace Coke R.H. Sweetser

Utilization

TITLE AUTHOR
Anthracites and Semianthracites of Pennsylvania. (With Discussion) H.G. Turner
Relative Efficiencies of Domestic Fuels in Relation to Their Costs and Their Advantages (With Discussion) Ralph A. Sherman
Anthracite as a Domestic Fuel. (With Discussion) Allen J. Johnson
Uses of Coal in the Ceramic Industry. (With Discussion) H. E. Nold

Coal Lands Valuation

TITLE AUTHOR
Report of Committee on Methods of Valuing Coal Properties John B. Dilworth
Plant Capacity and Carrying Charges, and the Effect Thereof on Value of Coal Properties (With Discussion) W. H. Craigue

Economics

TITLE AUTHOR
Outlook for the Coal Industry (See Mining and Metallurgy, December, 1933) H. N. Eavenson
Competitive Relation of Coal and Petroleum in the United States (With Discussion) W. Spencer Hutchinson and August J. Breitenstein
Analysis of Bituminous Coal Mines Suspended from 1923 to 1932, Inclusive (With Discussion) Newell G. Alford

INDEX

TITLE AUTHOR
Index