Volume 31
Containing the Papers and Discussions of 1901, Except Those Which Relate to the Mineral Resources and Industries of Mexico, Which Will Be Published in Vol. xxxii

Title Page

Preface

Contents

Officers

List of the Meetings

Publications

Rules

PROCEEDINGS OF MEETINGS

MEETING	DATE
Richmond (Annual)	February, 1901

PAPERS:

WASHINGTON MEETING February, 1900

TITLE	AUTHOR
Biographical Notice of Thomas Egleston, Ph.D., LL.D.	George F. Kunz

CANADIAN MEETING August, 1900

TITLE	AUTHOR
Remarks on Mine-Surveying Instruments, with Special Reference to Mr. Dunbar D. Scott's Paper on their Evolution, and its Discussion	H.D. Hoskold
Notes on Mine-Surveying Instruments, with Special Reference to Mr. Dunbar D, Scott's Paper on their Evolution, and its Discussion	Benjamin Smith Lyman

RICHMOND MEETING February, 1901

TITLE	AUTHOR
Notes on Tripod-Heads, with Reference to Mr. Dunbar D. Scott's Paper on the Evolution of Mine-Surveying Instruments	John H. Harden
The D'Auria Air-Compressor	Henry G. Morris
Biographical Notice of James Wood Tyson	William Glenn
Biographical Notice of Prof. Sansom Jordan	R.W. Raymond
Problems in the Geology of Ore-Deposits (Discussion, 284, 936)	Prof. J.H.L. Vogt
The Role of Igneous Rocks in the Formation of Veins (Discussion, 284, 936)	J.F. Kemp
The Formation of Bonanzas in the Upper Portions of Gold-Veins	T.A. Rickard
The Caliche of Southern Arizona: An Example of Deposition by the Vadose Circulation	William P. Blake
The Character and Genesis of Certain Contact-Deposits (Discussion, 284, 936)	Waldemar Lindgren
The Deposits of Copper-Ores at Ducktown, Tenn.	J.F. Kemp
Problems in Hauling and Hoisting	Alexander Bowie
Some Principles Controlling the Deposition of Ores	C.R. Van Hise
A Study of the Effect of Heat-Treatment on Crucible Steel Containing One Per Cent of Carbon (Discussion, 998)	George W. Sargent
The Constitution of Cast-Iron, with Remarks on Current Opinions Concerning It (Discussion, 985)	H.M. Howe
The Use of the Tri-Axial Diagram in the Calculation of Slags	Prof. Ernest A. Hersam
The Great Oil-Well Near Beaumont, Texas (Discussion, 1029)	Anthony F. Lucas
Chromite as a Hearth-Lining for a Furnace Smelting Copper-Ore	William Glenn
The Missouri and Arkansas Zinc-Mines at the Close of 1900 (Discussion, 1013)	Eric Hedburg
Investigations of Magnetic Fields, with Reference to Ore-Concentration	Walter R. Crane
Note on Cheap Gold-Milling in Mexico	Henry F. Collins
Specifications for Steel Rails (Discussion, 967)	W.R. Webster
Finishing Temperatures for Steel Rails	Robert W. Hunt
Concentrating-Tests and Calculations	Otto F. Pfordte
The Forecast of Chemical Reactions from the Algebraic Signs of the Quantities of Heat Liberated	Prof. H. le Chatelier
The History and Conditions of Mining in the Richmond Coal-Basin, Virginia (Discussion, 1011)	J.B. Woodworth
A Rapid Assay for Silver and Gold in Metallic Copper	George L. Heath
The Coal-Fields of Northeastern China (Discussion, 1008)	Noah Fields Drake
The Delamar and the Horn-Silver Mines: Two Types of Ore-Deposits in the Deserts of Nevada and Utah	S.F. Emmons
Some Recently Exploited Deposits of Wolframite in the Black Hills of South Dakota (Discussion, 1024)	J.D. Irving
Notes on the Geology of Southeastern Arizona	E.T. Dumble
Gold-Mining in the Transvaal, South Africa (Discussion, 1032)	John Hays Hammond

MEXICAN MEETING November, 1901

TITLE	AUTHOR
Biographical Notice of Richard P. Rothwell, C.E., M.E.	R.W. Raymond
The Alloys of Lead and Tellurium	Henry Fay and C.B. Gillson
The Alloys of Antimony and Tellurium	Henry Fay and Harrison
Recent Geological Phenomena in the "Telluride Quadrangle" of the U. S. Geological Survey in Colorado	H.C. Lay
An Electric-Resistance Magnesia Crucible-Furnace for Laboratory-Use	Prof. H.M. Howe
The Zinc- and Lead-Deposits of North Arkansas	John C. Branner
Diverse Origins and Diverse Times of Formation of the Lead- and Zinc-Deposits of the Mississippi Valley	Charles R. Keyes
Notes on the Pigholugan and Pigtao Gold-Regions, Island of Mindanao, Philippine Islands	J. Clayton Nichols
Notes on Hydraulic Mining in Low-Grade Gravel	William H. Radford
The Klein Jig and the Klein Classifier	Ferdinand H. Regel
The Electrical Burlier for Blast-Furnaces	F.L. Grammer
The Operation of the "Hole-Contract" System in the Center Star and War Eagle Mines, Rossland, B. C. (Discussion, 1005)	Carl R. Davis
Influence of Country-Rock on Mineral Veins	Walter Harvey Weed
The Cyanide-Assay for Copper (Discussion, 1027)	Harry Huntington Miller
Remarks upon Surveying Instruments, with Special Reference to the Paper of Mr. Dunbar D. Scott on the Evolution of Mine, Surverying Instruments, and to its Discussions (Discussion, 921)	H.D. Hoskold
A Crystalline Sulphide in Pig-Iron	Andrew A. Blair
The Treatment of Tailings by the Cyanide Process at the Athabasca Mine, near Nelson, British Columbia	E. Nelson Fell
Biographical Notice of Joseph Le Conte	S.B. Christy
Experiments with Bromo-Cyanogen on Southern Gold-Ores	S.H. Brockunier
The Detection and Estimation of Small Quantities of Gold and Silver	Luther Wagoner
Biographical Notice of James F. Lewis	R.W. Raymond
Slag-Constitution, Studied by Means of the Tri-Axial Diagram with Rectangular Co-ordinates	Harrison Everett Ashley
An Improved Form of Transit-Theodolite for Mining and Civil Engineers	H.D. Hoskold
The Litharge Process of Assaying Copper-Bearing Ores and Products, and the Method of Calculating Charges	Walter G. Perkins

DISCUSSIONS

TITLE	AUTHOR
Of Mr. Scott's Paper on the Evolution of Mine-Surveying Instruments (see p. 716)
Of the Papers of Prof. Van Hise and Others on the Origin, Enrichment, etc., of Ore-Deposits
Of Mr. Webster's Paper on Specifications for Steel Rails (see p. 449)
Of Mr. Weed's Paper on Types of Copper-Deposits in the Southern Part of the United States (see vol. xxx., p. 449)
Of Mr. Howe's Paper on the Constitution of Cast-Iron, with Remarks on Current-Opinions Concerning It (see p. 318)
Of Mr. Sargent's Paper on A Study of the Effect of Heat-Treatment on Crucible Steel Containing One Per Cent. of Carbon (see p. 303)
Of Mr. Tay's Paper on the Bryan Mill as a Crusher and Amalgamator Compared with the Stamp Battery (see vol. xxix., pp. 776,1054)
Of Mr. Probert's Paper on the Operation of the " Hole-Contract " System in the Center Star and War Eagle Mines (see p. 628)
Of Mr. Drake's Paper on the Coal-Fields of Northeast China (see p. 492)
Of Mr. Woodworth's Paper on the History and Conditions of Mining in the Richmond Coal-Basin (see p. 477)
Of Mr. Hedburg's Paper on the Missouri and Arkansas Zinc-Mines at the Close of 1900 (see p. 379)
Of Mr. Irving's Paper on Some Recently Exploited Deposits of Wolframite in the Black Hills (see p. 683)
Of Mr. Miller's Paper on the Cyanide Assay for Copper (see p. 653)
Of Mr. Lucaa's Paper on the Great Oil-Well Near Beaumont, Texas (see p. 362)
Of Mr. Hammond's Paper on Gold-Mining in the Transvaal (see p. 817)

INDEX

TITLE	AUTHOR
Index
Errata in Vol xxx