Volume 41
Containing the Papers and Discussions of 1910

Title Page

Preface

Contents

Officers

Past Officers

Honorary Members

List of the Meetings

Publications

Constitution and By-laws

Annual Meeting

Proceeding of the Board of Directors for the Year 1909

Report of the Council for the Year 1909

Membership

PROCEEDINGS OF MEETINGS

MEETING	DATE
Pittsburg Meeting	March, 1910
Canal Zone Meeting	November, 1910

PAPERS:

SPOKANE MEETING September, 1909

TITLE	AUTHOR
Ventilating-System at the Comstock Mines, Nevada	George J. Young

PITTSBURG MEETING March, 1910

TITLE	AUTHOR
Electric Mine-Hoists	D. B. Rushmore and K. A. Pauly
Tests of an Ilgner Electric Hoist	R. R. Seeber
The Girod Electric Furnace, and the French Works Using the Paul Girod Steel-Process	Dr. Wilhelm Borchers
The Ultimate Source of Ores	Charles R. Keyes
The Genesis of the Leadville Ore-Deposits	Max Boehmer
Exploration of Certain Iron-Ore and Coal-Deposits in the State of Oaxaca, Mexico	J. L. W. Birkinbine
Mining-Conditions in the Belgian Congo (Congo Free State)	Sydney H. Ball and Millard K. Shaler
The Conditions of Accumulation of Petroleum in the Earth	David T. Day
Systematic Exploitation in the Pittsburg Coal-Seam	F. Z. Schellenberg
Dust-Explosions in Coal-Mines	George S. Rice
The Fushun Colliery, South Manchuria	Warden A. Moller
The Combustion of Coal	Joseph A. Holmes and Henry Kreisinger
A Commercial Fuel-Briquette Plant	W. H. Blauvelt
The Combustion-Temperature of Carbon and Its Relation to Blast-Furnace Operation	Clarence P. Linville
Introduction to the Thomas Basic Steel Process in the United States	George W. Maynard
Chemical Laboratories in Iron- and Steel-Works	George W. Maynard
The Behavior of Copper-Matte and Copper-Nickel Matte in the Bessemer Converter	David H. Browne
The Behavior of Copper-Slags in the Electric Furnace	Lewis T. Wright
Sampling Anode-Copper, with Special Reference to Silver-Content	William Wraith
Cyanide-Plant and Practice at the Minas del Tajo, Rosario, Sinaloa, Mexico	George A. Tweedy and Roger L. Beals
Improvement in Cyanide Practice	E. Gybbon Spilsbury
The Chemical Control of Slimes	Harrison Everett Ashley
Development of Hindered-Settling Apparatus	Robert H. Richards
Gaseous Decomposition-Products of Black Powder, with Special Reference to the Use of Black Powder in Coal-Mines	Clinton M. Young
Combustion in Cement-Burning	Byron E. Eldred
Field-Investigations of Structural Materials by the U. S. Geological Survey	Ernest F. Burchard
Heats of Formation of Some Ferro-Calcic Silicates	H. O. Hofman and C. Y. Wen
Application of Descriptive Geometry to Mining-Problems	Joseph W. Roe
A Method of Calculating Sinking-Funds, and a Table of Values for Ordinary Periods and Rates of Interest	J. B. Dilworth
The Giroux Shaft at Kimberly, Nev.	C. Everard Arnold
Professional Ethics	R. W. Raymond
Professional Ethics	Victor G. Hills
A Portable Assay-Outfit for Field-Work	S. K. Bradford
Biographical Notice of Dr. Charles B. Dudley	R. W. Raymond
Biographical Notice of William Metcalf	R. W. Raymond

CANAL ZONE MEETING November, 1910

TITLE	AUTHOR
The Gold-Fields of French Guiana, and the New Method of Dredging	Albert F. J. Bordeaux
Mining in Nicaragua	T. Lane Carter
The Condensation of Fume and the Neutralization of Furnace-Gases	F. T. Havard
Manganese-Ore in Unusual Form	William P. Blake
The Laws of Intrusion	Blamey Stevens
Crushing-Machines for Cyanide-Plants	Mark R. Lamb
Recent Developments in the Undercutting of Coal by Machinery	Edward W. Parker
Pyritic Smelting in Leadville	Charles H. Doolittle and Royal P. Jarvis
Tops of Copper Blast-Furnaces	N. H. Emmons
Recent Progress in Blast-Roasting	H. O. Hofman
The Reduction of Calcium Sulphate by Carbon Monoxide and Carbon, and the Oxidation of Calcium Sulphide	H. O. Hofman and W. Mostowitsch
Labor-Saving Appliances in the Assay-Laboratory	Edward Keller
Mine-Survey Notes	George W. Riter
Dry-Washing for Placer-Gold in Sonora, Mexico	J. V. Richards
The Solid Non-Metallic Impurities in Steel (Sonims)	Henry D. Hibbard
Method of Determining the Meridian from a Circumpolar Star at any Hour	Eugene R. Rice
The Conference Department at Lehigh University	Henry S. Drinker
Biographical Notice of William Phipps Blake	R. W. Raymond
Biographical Notice of Franklin R. Carpenter	H. O. Hofman

DISCUSSIONS

TITLE	AUTHOR
Of Mr. Keyes’s Paper on Ozark Lead- and Zinc-Deposits (see Trans., xl., 184)
Of Mr. Wright’s Paper on Metal-Losses in Copper-Slags (see Trans., xl., 492)
Of Mr. Boehmer’s Paper on Genesis of the Leadville Ore-Deposits (see p. 162)
Of the Paper by Messrs. Holmes and Kreisiuger on Combustion of Coal (see p. 244)
Of Mr. Blauvelt’s Paper on A Commercial Fuel-Briquette Plant (see p. 256)
Of Mr. Maynard’s Paper on Introduction of the Thomas Basic Steel Process in the United States (see p. 281)
Of Mr. Eldred’s Paper on Combustion in Cement-Burning (see p. 479)
Of Mr. Dilworth’s Paper on A Method of Calculating Sinking-Funds, and a Table of Values for Ordinary Periods and Rates of Interest (see p. 533)
Of Mr. Lamb’s Paper on Crushing-Machines for Cyanide-Plauts (see p. 672)
Of Mr. Hofman’s Paper on Recent Progress in Blast-Roasting (see p. 739)

INDEX

TITLE	AUTHOR
Index