The Bridgeport times and evening farmer., 1920-11-04
American Mining
 Congress To Discuss Many Problems
(By International News service.>

(By International News Service.l
 Denver, Nov. 4-The 23rd annual Congress will open in this city on Monday, Nov, IS, with delegates in attendance from all sections of the United States
 The sessions are expected to con- l tinue through most of the week.
 Questions of paramount importance tosthe mining industry will be cons1d- cred under nine general divisions, as follows:
 l. Present-day relations between operator and employe; increased ef- working conditions and contracts. 2. Tariffs pertaining to mine pro- ducts and the uniformity of national and state mining laws.
 8. The feasibility of holding a na- tiona1 conference on the standardiza- | | ton of mining machinery, and labor | and life-saving devices. 4. The existing excess profits. tax 1 Isw declared to be unfair to the min ing industry. GA committee is now | Investigating the relation of the ex- cess profits tax to the industry and a report will be submitted in connec- i tion with the discussion of this 1 topic).
 5. The problem of the decline of means of preventing further deple- l ton of the nations monetary gold reserve.
 l 6. War minerals.
 | pensat ton who, under existing techni- caIties of the law. are often denied l relief.
 S. The petroleum industry and the development of the vast oil shale de- posits in Colorado and other | states.
 g. National and local problems of the coal mining industry (to be con- sidered by delegations of coal oper- | ators).
 Plan Mining s1Exposition.''
 A mining exposition" of an edu, | be held at the Denver Auditorium during the sessions of the congress under the direction of a special com | naittee.
 Plans for the entertainment of the hundreds of delegates have been made by committee headed by Thos. B. Stearns. of this city, which in, many other prominent citizens. A 'tprogramme advisory commit tee," composed of some of the best | known mining experts in tn ecoun- 1 ton of the convention here. >David w. Brunton, of Denver, former pres ident of the American Mining Con gress, is chairman of the advisory committee, and he has been assisted in formulating the plans by John B. Howard, president of the Utah Re- fining Co.,, Salt Lake City; J. F: Call American Mining Congress, Washing ton; Dr. F. G!Cottren, director of the United States Bureau of Mines; Dr. George Otis Smith. director of the United States Geological Survey; pr. B. w. Parker, Philadelphia, Pa; Dr. J. B. Spurr, editor and publisher of the Engineer and Mining Journal, New York city; seeley W. Mudd mining engineer, San Francisco: Dr. Francis A. Thompson, head of the School of Mines of Idaho; pr. G. M. Butler, dean of the College of Mines of Arizona; Colonel Warren R. Rob- erts. Chicago, and Carl Scholz, of the Raleigh-Wyoming Coal Co.,, Charles ton, w. Va. a
 Discuss FYotation Process.
 Widespread interest has been aroused among mining men in 6 spe- cial call for the attendance of rep resentatives of companies using any form of fotation in the recovery of mining men here, Minerals separa- ton, Ltd, one of the so-ca11ed flor eign trusts" whose methods are said to be under investigation by the Fed mining companies of the country for the recovery of damages for alleged infringement of patents claimed by Minerals Separation, Ltd. The lat ter company, through it's various pat. ents, claims to control every form of f1otation-by oil or other chemicals producing a frothing that raises and separates the metal from other sed- iment. Many of these suits have re- suited in judgments aggregating mill lions of dollars against mining com panieS, and, it is said, efforts will ne made at the convention here to reach some more satisfactory settle ment of the f1otation question.
 George L. Nye, Denver attorney, and Gilbert Montague, a New York mining attorney, will report to this section of the congress the results of their investigation of the methods ot the Minerals Corporation, Ltd.