Volume 181
Metal Mining, Industrial Minerals, Mineral Industry Education, and Geophysics 1949
Papers and Discussions Presented at Meetings held at Chicago, February 25- 28, 1946; Los Angeles, October 25, 1946; October 24, 1947; Tucson, October 28- 30, 1946; New York, March 17-19, 1947; February 15-19, 1948; Denver, October 1, 1947; Atlanta, October 8-10, 1947
Title Page
Foreword By E. H. Robie
Contents
A.I.M.E. Officers and Directors
Mining Methods Committee

Technical Papers

Exploratory Drilling

TITLE AUTHOR
The Application of Oil-well Surveying Instruments and Technical Services in the Mining Industry (Mining Tech., Jan. 1946, TP 1964) G. L. Kothny
Description of Tro-Pari Borehole Surveying Instrument (Mining Tech., March 1948, TP 2300) Charles Trotter
Some Desirable Improvements in Core Barrels (Mining Tech., Nov. 1947, TP 2275) George D. Roberts
Practice of Omaha District, Corps of Engineers, War Department, in Recovering Cores between Two and Ten Inches in Diameter (Mining Tech., March 1948, TP 2295) John H. Melvin

Geophysics

TITLE AUTHOR
The Resolving Power of Magnetic Observations (Mining Tech., Nov. 1946, TP 2097) Irwin Roman
Magnetic Anomaly of Inclined Vein of Infinite Length (Mining Tech., Nov. 1947, TP 2260) Th. Koulomzine and L. Massé
Geophysical Investigations for Selection of Sale for Ramapadasagar Dam across the Godavari River in Madras, South India (Mining Tech., Nov. 1947, TP 2287, with discussion) M. B. Ramachandra Roa

Health and Safety

TITLE AUTHOR
Health and Safety in Operations of the Consolidated Coppermines Corporation (Mining Tech., Sept. 1946, TP 2049) B. P. Burt and E. B. Olds
Significant Factors in Dust Control at Some Iron-ore Mines of the Lake Superior District (Mining Tech., Jan. 1947, TP 2087) Edward C. J. Urban

Mining Practice

TITLE AUTHOR
Mining by Top Slicing at the Negaunec Mine, Michigan (Mining Tech., Nov. 1946, TP 2091) W. R. Atkins
Diamond Drill Blasthole Stoping at the Book Mine, Menominee Range, Michigan-Progress Report (Mining Tech., Jan. 1948, TP 2305) L. S. Chabot, Jr.
Anaconda's Operation at Darwin Mines, Inyo County, California (Mining Tech., July 1948, TP 2407) Dudley L. Davis and E. C. Peterson
Drilling and Blasting Practices Past and Present at Bingham Canyon Utah Mine, Utah Copper Division of Kennecott Copper Corporation (Mining Tech., Nov. 1947, TP 2271) Richard H. Willey
Laying Panel Track at the Morenci Open Pit (Mining Tech., July 1947, TP 2189) Walter C. Lawson
Progress of Mining Studies at Bureau of Mines Oil-shale Mine, Anvil Points, Rifle, Colorado (Mining Tech., Nov. 1947, TP 2286) E. D. Gardner
Recent Developments in Mechanization at the Bunker Hill Mine (Mining Tech., Sept. 1947, TP 2256) R. S. Hooper
Use of Steel in Top Slicing (Mining Tech., Sept. 1948, TP 2458) James L. Bruce, George W. Nicolson and John G. Tate
Cyprus Mines Copper Again (Mining Tech., Sept. 1948, TP 2459) J. L. Bruce
Use of Jumbo Drilling Machines in the Tri-State District (Mining Tech., March 1948, TP 2294) S. S. Clarke
Observations of the Relation of Drilling Speed to the Size of Cuttings (Mining Tech., July 1948, TP 2409) Tell Ertl and Ernest E. Burgh
Studies of the Design of Shaped Explosive Charges and Their Effect in Breaking Concrete Blocks (Mining Tech., May 1947, TP 2157, with discussion) George B. Clark
Behavior of Metal Cavity Liners in Shaped Explosive Charges (Mining Tech., May 1947, Metals Tech., Aug. 1947, TP 2158) George B. Clark and Walter H. Bruckner
Diesel Power for Underground Haulage (Mining Tech., July 1948, TP 2384) J. H. East, Jr. and E. R. Maize
Experiences with Acid Mine-water Drainage in Tri-State Field (Mining Tech., Nov. 1947, TP 2267) O. W. Bilharz
The Davis Creek Dam (Mining Tech., March 1947, TP 2176) M. N. Dunlap

Barodynamics (Ground Support)

TITLE AUTHOR
Symposium on Grouting (Mining Tech., Sept. 1948; Coal Tech., Aug. 1948, TP 2427 with discussion) F. C. Sturges, V. L. Minear, W. D. Owsley, R. E. Moeller, R. H. Allen, J. W. Galpin, B. H. Mott, and W. W. Weigel
Concrete and Wood Blocks for Ground Support in Cyprus Mines (Mining Tech., July 1948, TP 2413) J. L. Bruce and G. W. Nicolson
A Review of Rock Pressure Problems (Mining Tech., Nov. 1948, TP 2495, with discussion) Richard P. Schoemaker
Determination of Room and Pillar Dimensions for the Oil-shale Mine at Rifle, Colorado (Mining Tech., Nov 1948, TP 2489) Fred D. Wright and Phillip B. Bucky
Ground Movement Adjacent to a Caving Block in the Climax Molybdenum Mine (Mining Tech., May 1946, TP 2000, with discussion) John W. Vanderwilt
Design of Safe and Economical Arch Structures (Mining Tech., Nov. 1947, TP 2266) Louis A. Panek

Industrial Minerals

TITLE AUTHOR
Industrial Minerals of Ethiopia (Mining Tech., March 1948, TP 2356) Thomas G. Murdock
Barite Production in the United States (Mining Tech., July 1948, TP 2414) Albert C. Harding
Heavy Mineral Deposits of the East Coast of Australia (Mining Tech. Nov., 1948, TP 2455) N. H. Fisher
The Occurrence and Mining of Solid Bitumens in Western Argentina (Mining Tech., Nov. 1948, TP 2480) Howard A. Meyerhoff
Occurrence of Heavy Minerals in the Pebble Phosphate Deposits of Florida (Mining Tech., Sept. 1948, TP 2456, with discussion) Frank R. Hunter
A Study of the Opaque Minerals in Trail Ridge, Florida Dune Sands (Mining Tech., July 1948, TP 2426) E. E. Creitz and T. N. McVay
Recent Developments in Mining, Processing and Application of Nepheline Syenite from Blue Mountain, Ontario (Mining Tech., July 1948, TP 2406) H. R. Deeth and C. J. Koenig

Education

TITLE AUTHOR
Past Progress of Mineral Industry Education (Mining Tech., Nov. 1947, TP 2264) L. E. Young
Some Postwar Problems in Geological Engineering Education (Mining Tech., Nov. 1948, TP 2493) W. T. Thom, Jr.

INDEX

TITLE AUTHOR
Index