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The Third Session of the Forty-Sixth Meeting of the Rocky Mountain Coal Mining Institute convened at the Hotel Colorado, Glenwood Springs, Colorado, June' 20, 1950, at 9:30 a.m., G. E. Sorenson, President, presiding. PRESIDENT SORENSON: The meeting will come to order. To refresh your memory, I will read off the names of the people on the various committees. President Sorenson read off the names on the committees. Mr. Whiteside, do you wish to make an announcement? MR. WHITESIDE: Yes, I would like to 'say a word. .4s you know, this afternoon you will be on your own, and I think some would like to go to Rifle. I wonder if we could get a vote on that now as to how many would like to go to Rifle, as they at Rifle would like to know so they can provide conveyances. There seems to be about 14 or 16 that would like to go to Rifle.

Jan 1, 1950

President Zakotnik opened the final session of the Institute at 9:30 a.m. Kenneth R. Herrmann of the Resolutions Committee presented the following resolutions to the group for their approval: RESOLVED: That the members of the Rocky Mountain Coal Mining Institute, in convention assembled, hereby ratify and confirm all official actions of the officers, the executive committee and other committees of the Institute between July 4, 1962, and the present time.

Jan 1, 1963

Business meeting was opened at 9:30 a.m., June 28, 1967. President James Westfield asked that the meeting come to order. "We have some business to be taken care of this morning. First, we will have a report from the Auditing Committee." Mr. W. S. Landers read the report and said that it had been audited and approved and the motion was made and seconded that it be accepted. It was accepted unanimously. (See Index for Treasurer's Report.) The Resolutions Committee Report was read by Mr. Cliff Artis as follows:

Jan 1, 1967

Article II of the RMCMI Bylaws reads: Section 1. Classes. The membership of the corporation shall be divided into three classes, consisting of active members, life members and senior members, who shall have such rights, privileges and qualifications as these bylaws may provide. The names of all active, life and senior members, together with current mailing addresses, follow. [ ]

Jan 1, 1985

The eighth annual RMCMI Mine Rescue Evaluation was held during the 1999 Institute convention at the Crested Butte Marriott Resort, Colorado. [ ] Elliott Tsosie, Mary Rowell, Janna Aune, Guy Horton, Art Saenz and Bill Balaz were pleased with the 1999 Mine Rescue Program, The Mine Rescue committee is but one of 17 volunteer committees; this one co-chaired by Bill Balaz, Elliott Tsosie and Janna Aune. There were three evaluators, Art Saenz, Western Environmental; Mary Rowell, ProCare and Guy Horton, Horton Rope Rescue. Nine teams participated and brought 89 participants, 26 spouses, nine children and five teens. The teams were BHP LaPlata, BHP Navajo, BHP San Juan, all from Farmington, NM; Bridger Coal Co., Rock Springs, WY; The Coteau Properties Co., Beulah, ND; Northwestern Resources, Jewett, TX; Powder River Coal Co., Gillette, WY; Solvay Minerals, Green River, WY and Western Energy Co., Colstrip, MT. To observe were members from Centralia Mining Co., Centralia, WA. [ ] Evaluators: Mary Rowell, Guy Horton &Art Saenz The three professional evaluators provided challenging scenarios for the Mine Rescue participants on the grounds of the resort property. Some attending convention were alarmed to see stretchers with "victims" and phoned the hotel switchboard to report the catastrophe. Team members had no prior knowledge of what the scenarios might be and derails were provided only as they arrived at the scenario location, with one exception. Seven to ten or more articipants make up each team. Some teams also ring an alternate and team trainer. For identification purposes, the "victims" wore white shirts emblazoned both front and back with a red VICTIM designation. There was a staged demonstration by three response teams who had not previously worked together. This was enacted on the convention floor following a Technical Session meeting attended by about 200 members. Three response teams from BHP's Navajo and San Juan Mines together with Coteau Properties' Freedom Mine provided a demonstration of their response skills. For never having worked together before, they presented a very professional enactment. This is described at length in the Welcome Session copy. Training sessions were held Saturday and Sunday to enable the teams to prepare for the scenarios. A swap meet was Saturday evening for teams to swap hats, shirts, belt buckles, stickers etc. Each participant received a royal blue golf shirt and ivory cap with royal blue bill. Culmination of the Mine Rescue program was a Tuesday morning Awards breakfast when teams were presented with jade acrylic plaques. [ ] Teams participating in the Mine Rescue Evaluation received trophies on Tuesday morning. The captains above represent BHP-La Plata, BHP-Navajo, BHP¬San Juan, Bridger Coal Co., The Coteau Properties Co., Powder River Coal Co., Solvay Minerals, and Western Energy Co. Sponsors who contributed financially to the 1999 Mine Rescue program were Balaz & Associates, CMC, Civil Constructors, Colstrip Electric, Farmington Fire Equipment & Safety, Fisher Safety, Flanders Ellctric Motor Service, Magnum Metals, Richard Palmtag, Rocky Mountain Electric Motors, Sedona Consulting and Western Water Consultants. [ ] Evaluator Art Saenz likes to have the upper hand and will take whatever steps necessary to get it.

Jan 1, 1999

Bowdil Co. Bucyrus-Erie Co. Coal Age Coal Mining Cobre Tire Dresser Construction FMC Corp. T. J. Gundlach Machine Co. Ingersoll-Rand Joy Mfg. Co. K&P Sales Engineers, Inc. Kennametal Lively Mfg. Co. Long Airdox Co. MSA McLanahan Corp. National Mine Service Co. Page Engineering Co. Plateau Supply, Inc. Pyramid Parts Scandura, Inc. TIC Utah International Utah Power & Light Co. Western Energy Co.

Jan 1, 1986

At the Annual Meeting of the RMCMI Board of Directors held June 29, 1985, the following amendments to the corporation bylaws Article III were made: Section 2. Advisory Board. There shall be an Advisory Board of Directors which shall be com- posed of all former presidents of the corporation and of the unincorporated association, also known as The Rocky Mountain Coal Mining Institute, of which the corporation is the successor. The Advisory Board shall periodically review the philosophy and policies of the corporation and make recommendations concerning the same to the Board of Directors. The Advisory Board shall hold an annual meeting at the same place as and immediately pre- ceding the annual meeting of the members in each year and written notice stating the place, day, and hour of the meeting shall be given or mailed to each member of the Advisory Board at least thirty days prior to the date fixed for such annual meeting. The annual meeting of the Advisory Board shall be for the purpose of electing a chairman from among its members and the person so elected chairman shall also serve as a member of the Board of Directors of the corporation. The Advisory Board shall meet at such other times and conduct its affairs in such a manner as it shall determine from time to time by resolution. Section 4. Regular Meetings. A regular meeting of the Board of Directors shall be held immediately following the annual meeting of the members, at the site of the annual meeting of the members, the day and time to be fixed by the Board of Directors at its annual meeting immediately pre- ceding the annual meeting of the members in each year, without the necessity of any other or advance notice. Such regular meeting of the Board of Directors shall be for the purpose of considering committee appointments, and for the transaction of such other business as may come before the meeting. A regular meeting of the Board of Directors shall also be held in the Fall of each year following the annual meeting of the members and written notice stating the place day and hour of the meeting shall be given or mailed each member of the Board of Directors at least thirty days prior to the date fixed for such regular meeting. Such Fall regular meeting of the Board of Directors shall be for the purpose of receiving the treasurer's annual financial report of the previous fiscal year as reviewed and approved by the auditor, to take action on the budget, and for the transaction of such other business as may come before the meeting. Section 8. Standing Committees. The Board of Directors may create by resolution adopted by a majority of the entire Board of Directors, a Bylaws and Resolutions Committee, a Nominating Committee, a Finance Committee, and one or more other committees each of which shall consist of two or more directors and which shall have and may exercise such authority in the management of the corporation as shall be provided in such resolution or in these bylaws. Section 9. Ad Hoc committees. The Board of Directors from time to time may by resolution create a Membership Committee, a Scholarship Committee, an Education Committee, various convention committees, and one or more other committees each of which shall consist of members of the corporation and which shall have and may exercise such authority, other than in connection with the management of the corporation, as the Board of Directors may determine. MINUTES of the Rocky Mountain Coal Mining Institute 81 st Member Annual Business Meeting July 2, 1985 The 81st Annual Business Meeting of the mem¬bers of The Rocky Mountain Coal Mining Institute was called to order by the president, Charles W. Margolf at 1:35 p.m. Tuesday, July 2, 1985 in the Windom Peak Room of the Tamarron Resort near Durango, Colorado. Thirty members were present and a quorum was established. It was moved by Bill Balaz, seconded and car¬ried to dispense with the reading of the minutes as these were published on pages 67 thru 77 of the 1984 issue of the Proceedings. The chair called for reports of the various com¬mittees and these reports will be placed on file in the RMCMI Office. Bylaws and Resolutions. Chairman Loren V. Linville reported that the Board of Directors had adopted changes to Article III, Sections 2, 4, 8 and 9 calling for clarification of Ad Hoc and Standing Committees as well as setting forth a purpose for the Advisory Board meetings and stating a time for an annual meeting. He further reported that the Board had passed three resolutions: (One) Noting the passing of these members since the last conven¬tion - Einar M. Arentzen, Gerhardt A. Benne¬witz, Claude P. Heiner, Raymond A. Johnson, Vard H. Johnson, P. T. Schonstrom, Augusta F. Whiteside and Edward Wiemann; (Two) Of appreciation to the officers, chairmen and their commit-

Jan 1, 1985

By Jim Freeman

After testing 30 fourth year mechanical trade school students with our final mechanical apprentice test, only one passed. ?Most western technical trade school students tested ?Test result average was 52% ?NMC graduating apprentice average is 78% (75% passing requirement) ?Our mechanical test has 200 questions; Electrical test 110 questions

Jan 1, 2010

The Friday morning session of, the Forty-seventh Meeting of the Rocky Mountain Coal Mining Institute was called, to order in the junior Ballroom, Hotel Utah, Salt Lake City, Utah, at 9:20 o'clock a. in., with Mr. Paul L. Shields presiding. CHAIRMAN SHIELDS: Let us get started, gentlemen. We are late now. From the looks of this agenda we are going to have a busy forenoon. The first item on this program is a talk on "The Second Underground. Gasification Experiment at Gorgas, Alabama," by Mr. James L. Elder.

Jan 1, 1951

Saturday, June 28 A pre-convention activity kicking off the 93rd RMCMI meeting was a Saturday evening June 28 reception for all Mine Rescue participants, their convention registered spouses, professional evaluators and RMCMI Board of Directors. This was at Buddy's Run in the Sheraton Steamboat Resort, Colorado. An estimated 100 persons enjoyed the buffet: fresh vegetable erudite with ranch dressing, fresh fruit and cheese displays and silver dollar rolls filled with ham or turkey. Blue golf shirts and red caps and convention packets were distributed to each Mine Rescue team member. Evaluators received red shirts and blue caps during the reception. Meeters and greeters from the Reception Committee wore red RMCMI arm bands and were stationed at strategic hotel spots, answered attendee's questions and gave directions to the registration area. Convention packets were first distributed Saturday afternoon by Julie Cummings and Lorraine McDonald. Sunday, June 29 A 7:30 a.m. shotgun scramble kicked off the golf tourney at the Sheraton course for 145 golfers. Yes, 145! as Lois Egan, President Tom's wife, completed a five-some with Tom and their three sons. A continental breakfast preceded the tourney. Another 65 golfers began play at 1:00 p.m. making this a record number of 210 golfers! Julie Cummings and Loren Linville sold $2,620 worth of $10 mulligans to the golfers with proceeds to the scholarship program. [ ] Both golf tourneys were co-chaired by Dave Mallak and Gordon Merriam who distributed prizes at 4:30 p.m. Monday. Prizes were donated by Amax Coal Sales West, Inc.; Austin Powder Co.; BHP Minerals-Navajo Mine; Bucyrus International, Inc.; Commercial Testing & Engineering Co.; Empire Machinery Co.; Ingersoll Rand; The Jeannot Group, Komatsu Mining Systems; Long-Airdox Co.; Marston Environmental Inc.; MEGA Corp.; The P&M Coal Mining Co.; Scandura, Inc. and TerraMatrix. [ ] RMCMI registration was an all day venture headed by chair Julie Cummings and assisted by Pat Johnson. [ ] Nearly 40 persons met for a Chef Demonstration and wine tasting at the Sheraton at 11:00 a.m. Executive Chef Jacques Wilson prepared broiled achiote shrimp with cantaloupe, grilled duck stuffed blue corn pancakes with herb grained bread and fresh fruit meringues. Wilson shared his recipes with the group and appropriate wines were served with each course, all sampled by the attendees. The chef arranged an impromptu showing of the main kitchen following the demo. [ ]

Jan 1, 1997

[Addison, Herbert Big Horn Colleries Co., Colo. Bldg., Denver, Colo. Aleshire, N. C c-o Roberts & Schaefer Co., Wrigley Bldg., Chicago, Ill. Alexander, John Dacona, Colo. Allan, David Lafayette, Colo. Allen, John Ludlow, Colo. Allen, Thomas Box 420, Glenwood Springs, Colo. Alley, Gerald C. F. &I. Co., Pueblo, Colo. Allison, ArchieBox 562, Walsenburg, Colo. Allison, D. S 1331 Roberta St., Salt Lake City, Utah Allison, Park Engineer, Standard Coal Co., Standardville, Utah Allonier, Howard R c-o Lunkenheimer Co., Cincinnati, Ohio Ambler, J. B c-o Ambler & Riter, Kearns Bldg., Salt Lake City, Utah Anderson, A. E 403 Ideal Bldg., Denver, Colo. Andrews, Sam 503 Pike Ave., Canon City, Colo.. Angster, Joe Walsen, Colo. Angus, William B. W. Snodgrass, 1575 Lafayette St., Denver, Colo. Apperson, A. B Tramway Bldg., Denver, Colo. Armstrong, C. D Apperson Vallery Co., Tramway Bldg., Denver, Colo. Arnoldi,, Victor Ideal, Colo. Autrey, J. S Perrenaud Apts., Denver, Colo. Bachman, W. H 1601 Alcott St., Denver, Colo. Bailey, R. E Utah Power & Lt. Co., Kearns Bldg., Salt Lake City, Utah Baird, Elmer A Equitable Bldg., Denver, Colo. Bartlett, G. F 311 Ernest & Cranmer Bldg., Denver, Colo. Baxter, John M 3748 Lafayette St., Denver, Colo. Becker, J. A Box 682, Rock Springs, Wyo. Beebe, John. D 1414 Court Place, Denver, Colo. Bennett, F. C Colorado Fuel & Iron Co., Berwind, Colo. Benson, Geo Cumberland, Wyo. Betcher, B. L Standardville, Utah Beuchat, Charles Pryor, Colo. Bevan,John 1625 North Corona St., Colorado Springs, Colo. Bisch, James L Van Houten, N., M. Boissier, A. H. C Boston Bldg., Denver, Colo. Bottomley, Edward Kleenburn, Wyo. Bowen, James V Union Coal & Coke Co., Colorado Bldg., Denver, Colo. Bowie, Alex R Bowie, Colo. Bowie, John S Bowie, Colo. Bowie, Wallace D Bowie, Colo. Bowns, W. J Castle Gate, Utah Boyer, F. E 631Jackson St., Denver, Colo. Boyle, Chas Sweetwater, Wyo. Brandenburger, L 59 W. Broadway, Salt Lake City, Utah Brennan, W. D Dawson, N. M. Brewster, Burt B Walker Bank Bldg., Salt Lake City, Utah Brockman, A. L Sugarite, N. M. Brooks, Ed 513 Second St., No. 1 Hill, Rock Springs, Wyo. Brown, Geo. A Cumberland, Wyo. Brown, L. E :.1212 Walker Bldg., Salt Lake City, Utah Brown, Mark Y 629 East Main St., Trinidad, Colo. Bubb, H. H Cokedale, Colo. . Bullock, W. H 1052 Gas & Electric Bldg., Denver, Colo. Bunning, P. C Rock Springs, Wyo. Burnite, Thomas B 523 Boston Bldg., Denver, Colo. Butler, T. H Hanna, Wyo.]

Jan 1, 1924

[Abbott, Jay Tusco, Box 1008, Price, Utah 84501 Abrahamson, Gary W Melroe Melroe Mult. Wheel, 1301 Iowa Ave., Longmont, Colo. 80501 Acre, Lee Roadside Mining Corp., 2684 Carol PI., Grand Junction, Colorado 81501 Adams, Bob Energy Fuels Corp., Box G, Steamboat Springs, Colo. 80477 Adams, David Empire Energy Corp., Box 68, Craig, Colorado 81625 Adams, Dell H Consolidation Coal Co., 924 No. Washington Rd., McMurray, Pa. 15317 Adams, Douglas K General Electric Co., P.O. Box 2331, Denver, Colo. 80201 Adams, E. E Armco Steel Corp., Box 53, Parker, Colorado 80134 Adams, Kenneth L Arch Mineral Corp., 33 Carnation, Belleville, Ill. 62221 Adams, Martin R Energy Research & Develop. Adm., 20 Massachusetts Ave. N.W., Washington, D.C. 20545 Ahlborg, William Joy Mfg. Co., 1911 Denver Club Bldg., 518 - 17th St., Denver, Colo 80202 Albert, Darrell Mine Safety Appliances Co., 400 Penn Center Blvd., Pittsburgh, Pa. 15235 Albrechtsen, Ray H Mountain States Resources Corp., 1399 So. 700 East, Suite 11, Salt Lake City, Utah 84105]

Jan 1, 1977

By F. C. Miller

The Colorado Fuel and Iron Company has divided their coal mines into groups or divisions: Las Animas, Huerfano, Fremont and Gunnison counties. Each division is represented by a safety committee composed of three men appointed by the management and three men selected by the employes? representatives. The three men appointed by the management are usually from a group engaged in routine work that is primarily of a safety nature. Mr. Robert McAllister, chief mine inspector; Mr. George B. Parker, superintendent of first aid and mine rescue training; Mr. F. C. Miller, chief chemist, fuel department; and Mr. 0. C. Irwin, assistant chief electrician. The three men appointed by the management act in each of the four divisions. It is the duty of the safety commit- tee to visit each mine three times per year and make a thorough investigation of conditions underground and on top. Their report is in the form of recommendations to the management for their consideration. They are also called to investigate all fatal accidents and learn, if possible, the cause leading up to the accident and recommend precautionary measures that will prevent the recurrence. This committee inspects the haulage roads, air courses, manways, electrical equipment, ventilation, timbering, working places and humidity. In addition, each mine has a local safety committee with the superintendent acting as chairman. It is the duty of this committee to keep in daily touch with conditions underground and on top. They hold weekly meetings and discuss problems related to safety. These men work on local conditions that govern their affairs. As an example: One of the mines has a checking out board at the man-trip parting in addition to the regular checking in and out system as required by law, and this board is checked before the man-trip leaves for the outside, giving the officials a chance to take prompt action in looking up a man who may have become ill or injured. Should a man walk out and forget to check off, there is a penalty imposed. The ventilation of a coal mine is most important and the method of conducting the air to the working face is one of the greatest precautionary measures linked with safety. A quantity of air must be maintained at every working face to insure rapid diffusion of explosive or noxious gases and in a manner without interruption. With this intent in, view, the Colorado Fuel and Iron Company is installing fan equipments with capacities of 200,000 cubic feet per minute with dual drives, twin fans in some instances, for insured circulation. Dual drives consist of a steam engine using exhaust

Jan 1, 1925

By D. Harrington

E. H. DENNY (United States Bureau of Mines, Denver, Colorado) In the absence of Mr. Harrington it is my privilege to read his paper, which is in his usual, forcible and sincere style, and it is within the province of this Institute, certainly, to go into it as it concerns safety and efficiency in mining. He brings out some points in his paper that, I think, are well worth the consideration of the Institute. The figures he uses were compiled by Mr. Adams, of the Bureau, and cover a five-year period. However, examination of similar Bureau figures for a ten-year period, or any other long period on other bases brings out similar results. The figures in this paper have been based on the million hours of exposure of accidents, and the figures based on three hundred working-man-day basis, or on tonnage, brings out similar results. This paper is entitled "Accident Record in Western Mines," and it is, in a way, an amplification of Mr. Harrington's letter which was read at the Glenwood Springs Meeting.

Jan 1, 1927

[Proceedings VOL. II. PART VI. CONTENTS PAGE A Few of the Adverse Conditions Encountered in Mining Coal in the Utah Fields, by J. B. Forrester ..185 Growth of the Electric Power System of the Union Pacific Coal Company at Rock Springs, Wyoming, by D. C. McKeehan ?.. 193 Screening and Preparing Coal at the Tipple, by Benedict Shubart ?.199 Coal Mine Accounting, by E. R. Gibson List of Members ?.211]

Jan 1, 1921

[ADDISON, HERBERT Big Horn Collieries Co., Colo. Bldg., Denver, Colo. ALEXANDER, JOHN 825 So. Gaylord St., Denver, Colo. ALLAN, DAVID Lafayette, Colo. ALLEN, JOHN Ludlow, Colo. ALLEY, GERALD Box 1920, Denver, Colo. ALLISON, ARCHIE Box 562, Walsenburg, Colo. ALLISON, D. S 1331 Roberta St., Salt Lake City, Utah AMBLER, J. B c-o Ambler & Riter, Kearns Bldg., Salt Lake City, Utah ANDERSON, A. E 403 Ideal Bldg., Denver, Colo. ANDERSON, FRANK Crosby, Wyo. ANDREWS, SAM Box 91, Walsenburg, Colo. ANGUS, WILLIAM -o B. W. Snodgrass, 1575 Lafayette St., Denver, Colo. APPERSON, A. B Tramway Bldg., Denver, Colo. ARMSTRONG, C. D 420 U. S. Natl. Bank Bldg., Denver, Colo.]

Jan 1, 1926

By M. H. Forester

The Bituminous Coal Industry has for the past year been faced with a most serious problem. I am sure that you have had your own individual and local problems, as do we all. In my thirty years of practical experience with coal mining, I have never found an operating man nor a coal mine without problems. The very nature of mining, with so many unknown factors involved, precludes the absence of problems. But they are not insurmountable, and one should not dwell on them interminably. They should be recognized as a challenge to our ability and ingenuity to solve them, and once the proper solution is found, it should be applied and the problem dismissed. However, we find ourselves at the moment in the midst of a serious challenge to our very existence. In the early thirties, many in the industry welcomed the re-establishment of Unionism as a balance wheel, in the belief that the stabilization of wage scales would also stabilize prices and eliminate disastrous price cutting practices. The ultimate effects of having twenty-six years of benevolent paternalism in the administrative branches of Federal and State Governments with their labor courting policies, could hardly have been anticipated. And so with wages spiralling under government sponsorship, we have finally reached the point where competitive fuels, such as natural gas and oil are more attractive to the consumer, from the economic angle of cents per BTU cost, than coal.

Jan 1, 1953

The Fourth Session of the Forty-Sixth Meeting of the Rocky Mountain Coal Mining Institute convened at the Hotel Colorado, Glenwood Springs, Colorado, June 21, 1950, at 9:30 a. m., G., E. Sorenson, President, presiding. PRESIDENT SORENSON: The meeting will conic to order, please. Gentlemen, we have quite a program this morning, so we had better push this thing along. Be fore we start this morning, I would like to ask Mr. Davis if he wouldn't come up and say a word or two for us. He is the editor of Coal Age. Mr. Davis. MR. DAVIS: This is quite an unexpected honor. I didn't know that I would be called on to speak to you. It will be brief, but very sincere. I have enjoyed every minute of my stay here with you people in the west. It is my first visit out this way, and I have enjoyed every minute of it. I have two more weeks to go out here, and I will probably see a lot of you in your own back yards.

Jan 1, 1950

By D. A. Stout

Mr. Chairman and Members of the Rocky Mountain Coal Mining Institute: Your Secretary has asked me to write upon a subject' which is a most interesting one, and which has a very wide scope. In view of the great need for further decreasing costs at its coal mines, the Colorado Fuel and Iron Company began early in 1924 to experiment with methods of mining which had not previously been. tried out at its mines, and which were selected because of the greater possibilities for the concentration of the work, better grouping of workmen, and increased tonnage per workman, with a resultant increased efficiency, better supervision, and lowered costs. Because of the great competition of the day, means and methods must be provided by which fewer mines can be made to produce larger tonnages and at a lower cost. Western physical conditions are such as to make our problems far more complicated and not so easy of solution as compared to many of the eastern fields where conditions are more favorable for the operation of the mines. The dry condition of our Western mines on account of a relatively low humidity, and with additional gaseous conditions, makes the problem still more difficult to solve. A study of new methods was necessary before adoption, and this was particularly true of the method of extracting the coal. Where mechanical means are used, particularly in the coking coal mines of this state, due consideration must be given to the type, and machines or conveyors should not be installed solely on the basis of their performance elsewhere, without the knowledge of local influencing factors. In trying out the newer methods of extraction at our mines, very careful consideration has been given to the question of safety and the adoption of any new methods must provide adequate means of protection to employes, and be approved by' the State Coal Mine Inspector. In any large industry there are a few outstanding operating costs, and usually the leading ones in their order are labor cost, material cost, and power cost. The things which we, hope to accomplish: 1. Reduce labor costs. 2. Reduce material costs. 3. Reduce power costs by the con 4. Reduce the amount of powder used per ton of coal produced. 5. Increase the lump percentage (particularly at the domestic mines). 6. Reduce accidents and annual compensation payment. 7. Reduce haulage costs. 8. Reduce cost for track work. 9. Reduce cost for timber and timbering, and increase the recovery of timber at a considerable additional saving. 10. Reduce the brushing costs. 11. Reduce the amount of rock hauled to the outside. 12. Reduce the cost for drainage. 13. Reduce the cost for ventilating. 14. Reduce cost of inspection and supervision. 15. Reduce the cost for shot firing. 16. Reduction of number of working places. 17. Grouping of men with increased sociability. 18. Increased tonnage per man. 19. Reduction in total number men employed. In the consideration of the methods used and now working successfully, there were three points which were considered outstanding, to make them wholly successful: ventilation, roof control, and transportation. For making the experiments, those mines were selected where conditions

Jan 1, 1925

Jan 1, 1963