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GARY STUBBLEFIELD RMCMI PRESIDENT 1993-1994 on behalf of the RMCMI Board of Directors and Officers of The Rocky Mountain Coal Mining Institute cordially invites you and your family to attend the 90th Regular Meeting and Convention June 26 thru 28, 1994 Snowmass Resort, Colorado

Jan 1, 1993

ALAN W. CZARNOWSKY RMCMI PRESIDENT 1988-1989 on behalf of the RMCMI Board of Directors and Officers of The Rocky Mountain Coal Mining Institute cordially invites you and your family to attend the 85th Regular Meeting and Convention to be held June 25, 26 and 27, 1989 at Tamarron Durango, Colorado

Jan 1, 1988

President John T. Atkins on behalf of The RMCMl officers and Executive Board, invites you and your family to attend The 80th Regular Meeting and Convention of 'The Rocky Mountain Coal Mining Institute to be held at Marriott's Mark Resort, Lionshead Village in Vail, Colorado JUNE 24 - JUNE 26, 1984

Jan 1, 1983

H. DEAN JACOT RMCMI PRESIDENT 1987-1988 on behalf of The RMCMI Board of Directors and Officers The Rocky Mountain Coal Mining Institute cordially invites you and your family to attend the 84th Regular Meeting and Convention to be held June 26, 27 and 28, 1988 at Beaver Run Resort Breckenridge, Colorado

Jan 1, 1987

By Peter B. Lilly

Thank you, Tom, I appreciate that generous introduction - and your generous welcome. When Doris Finnie asked me to speak here today, my decision to join you couldn't have been easier - for two reasons. First, I can't say no to an opportunity to return to Steamboat Springs. My family has wonderful memories of skiing here. And this time of year, golf in the mountains is so good you almost don't miss the skiing. The second reason this was such an easy decision is that The Rocky Mountain Coal Mining Institute is such an important forum for the coal industry, and it's certainly important to Peabody. We have mines in five western states - Arizona, Colorado, Montana, New Mexico and Wyoming. Last year, our western mines produced more than 110 million tons of coal. That's about two-thirds of our total domestic production. So western states are obviously critical to us. A couple of weeks ago, the west became even more significant to Peabody. Of course, I'm speaking of PacifiCorp's planned acquisition of The Energy Group - including Peabody - announced the middle of this month. Admittedly, when I agreed to speak here - some months ago - I had no idea just how much change Peabody would face in this relatively brief period. Still, not knowing then about the PacifiCorp announcement, I chose change as the subject for this talk. I'll update you on our recent news. But, first I want to establish a broad context for the PacifiCorp/Energy Group announcement and other change in the electricity business, change here in the United States and all over the world. ? We'll see how change is driven by two major trends - privatization in emerging markets and deregulation in mature markets, In turn, those two trends will cause ever-increasing consolidation - in both the coal industry and the broader power industry. ? After outlining those trends, I'll discuss the change that will dramatically affect Peabody following the announcement a week ago that PacifiCorp and The Energy Group intend to join forces to create one of the world's largest international integrated energy companies - an event that adds considerable credibility to the prophesies I'll outline in my remarks today. ? Finally, I will discuss an issue that threatens our industry's future - and, indeed, the economic future of all Americans. That issue is the inappropriate response to the unproven possibility of global climate change. Let's set the stage for change. And let's begin with the first trend I mentioned - the trend to privatization in developing economies. What drives the trend to privatization? Economics. It's all about the supply and demand of capital. And the engine that drives the supply/demand ratio is growth in electricity demand - tremendous growth in demand in developing economies. The U.S. EIA projects worldwide growth in electricity demand at 63 percent between 1990 and 2010, most of it in developing countries. This strong growth means that a new 500 MW power plant will be needed every three and one-half days until the year 2010. Now, if we say that a 500 MW plant will cost about $500 million dollars, we're talking about a bill of about $1 billion dollars a week - through 2010. That voracious demand for capital drives the trend to privatization. It means countries in Eastern Europe and the former Soviet Union want to sell generating assets. And Asian countries - for example, India, Indonesia and the Philippines - want to find private investors to build power plants. Privatization already is well underway. In the future, it will grow, with countries in South America, Central America, and Africa joining the trend. Bottom line: The privatization trend means rich new opportunities for companies willing to think beyond "business as usual." Meanwhile, developed economies face a different but no less fundamental change. Western European countries, the United States and Australia face deregulation. Why does deregulation represent such a big change? Consider a few basic facts about the U.S. electricity market to see what a big change -

Jan 1, 1997

[ ] ALVA L. SMITH RMCMI PRESIDENT 1989-1990 on behalf of the RMCMI Board of Directors and Officers of The Rocky Mountain Coal Mining Institute cordially invites you and your family to attend the 86th Regular Meeting and Convention to be held June 24, 25 and 26, 1990 at Sheraton Steamboat Steamboat Springs, Colorado

Jan 1, 1989

BENEDICT SHUBART: I am rather surprised at one statement of Mr. McKeehan, that he found it satisfactory to bond only one track. It has always been my idea of good practice to bond both tracks and cross bond frequently, so that in case of any break in the bonding of one track, which frequently occurs, there will be no interruption in the circuit.

Jan 1, 1923

will be held at COSMOPOLITAN HOTEL DENVER COLORADO June 3,4,5, 1931

Jan 1, 1930

By J. J. Welch

The thought and practices in the field of accounting in the past two or three years are undergoing far-reaching changes, but more important than this is the changing viewpoint of business managers toward accounting reports and statistics. Accounting is no longer considered a necessary burden of business, for progressive managers and operating officials everywhere look upon it as a service. A service of supplying operating men and executives with information on their affairs which enables closer and more effective supervision, to the end that business may be conducted more satisfactorily and more profitably. This service is the real function of accounting in business management. Of the many treatises on accounting published in recent years, the great majority deal with principles and procedures, and were written purely from the accountant's point of view, thus they appeal, and are of interest, chiefly to accountants. Recently, however, the interest displayed by the operating man, be he president, general manager, superintendent, mine foreman or potential mine executive, calls upon the accounting department to serve him in furnishing him with figures showing the financial position and economic progress daily. In order to effectively render this service the necessary co-operation between management, operating and accounting -forces must exist. Satisfactory services may be developed only on a basis of close contact and pulling together between these departments. It is not a one-man job, the responsibilities necessarily rest on all. This co-operation contemplates:

Jan 1, 1932

[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

[Page Minutes 7 Discussion of L. S. Ickis' Paper 20 City Planning and Landscape Architecture for Western Coal Camps, by S. R. DeBoer 22 Discussion of Thos. Foster's Paper 26 Discussion of Safety Committee Report 30 Discussion of R. L. Hair's Paper 52 Discussion of H. I. Smith's Paper 61 Miscellaneous Discussion 62 Discussion of Thos. A. Stroup's Paper 70]

Jan 1, 1924

of our good friends and fellow members: William D. Brennan Charles Beuchat who left the world better for their having lived in it.

Jan 1, 1931

John Chrystal Richard R. Fenner G. D. Grayer Albert M. Keenan C. E. Osborn Stanley C. Shubart George Sumers Cal Witmer Death is not the end, but the beginning, Not the surrender of life, but of earth Not a time for tears ... but faith.

Jan 1, 1982

By James F. Howe

Modern civilization is centered around a small group of essential occupations, the three principal ones which are agriculture, mining and manufacturing. Agriculture might be called the most important of the three, as it has to do directly with the supply of food for the human race. Mining, however, is certainly next in importance, as it furnishes the supply of fuel and many of the raw materials used in manufacturing. Without mining, modern machinery and many industrial operations would be impossible. Mining takes advantage of the, natural resources in fuel and minerals that lie underneath the surface of mother earth, and while at times some of these metals are hard to find and mines come and go, mining must continue to increase. Mining is no longer a haphazard proposition but one calling for careful study and complete plans of operation for years to come. The shafts, power houses, rock dump crusher, concentrator, and other machinery must be located advantageously in order to enable owners to make a profit. Many tons of rock or mineral must be mined frequently to get one ton of concentrated metallic ore or metal itself. Economy in mining is just as essential as it is in manufacturing. The mining engineer of today is called upon to utilize every branch of engineering, and not only, is a wide: range of knowledge required, but ingenuity to meet the unusual conditions which are constantly arising from week to week. On account of the wide variety of information required by the mining engineer, some things with which he is in almost daily contact may be passed over with only a small amount of attention, provided everything is going well, in order that time and attention may be focused on what might be termed the more important features of mining operations. Because competition has become keener than ever, owing to overproduction at times of certain minerals, it becomes a matter of first, importance to understand as far as possible the factors which enter into the cost of production of any mineral which may be mined. In such times of overproduction, the high cost mine is forced to close down while the low cost mine may, if desired, be kept running constantly. In keeping a cost record, wire rope on account of its high first cost 19 coming into the lime light, and a comparison of records of one mine with another is now frequently made in order to see whether the rope service is satisfactory or not. Every rope maker, on the other hand, is interested in seeing that the rope which he produces gives the maximum possible return for the money invested. Modern mining owes much of its success to the use of wire rope for hoisting materials from beneath the surface of the ground. Deep mining would be impossible without the use of wire rope as a means of hoisting. A study, therefore, of rope problems in mining work and a discussion of the points which are beneficial to maximum life will enable the mining engineer, manager, or superintendent to keep his costs down to the minimum while at the same time he provides a suitable and sufficient safety factor for operations at all times. Mining might be defined as the extraction of coal, metallic ores, or minerals from below the surface of the ground. This definition does not cover what is known as, open pit operations or quarrying but covers the

Jan 1, 1922

Pictured on these pages are the eight RMCMI Scholarship Award Winners for the 1990-1991 year followed by a brief profile. All winners, except John Nixon from Texas, were present as guests of the Institute at the June convention in Keystone, Colorado to receive recognition at the Welcome Session Monday, July 1, 1991. Each state vice president served as the host for the collegiate winner. In addition to receiving a plaque from the Scholarship Chairman, Dr. Donald Gentry, each winner receives $750 tuition credit for the coming academic year. As this is a continuing award, the winners from the previous year will receive another $750 for tuition credit in their senior year if they have maintained good academic standing and are recommended by their university. Criteria for these awards to be made in the spring annually is (1) That the award be made to a sophomore student and used as tuition during the junior year. (2) That the recipient be both a U.S. citizen and a resident of the state involved. (3) That the recipient have good academic standing, be pursuing a degree in a mining related field and have an expressed interest in Western coal as a possible career path. The scholarship program includes curricula other than those in the mining departments, but in the engineering disciplines, such as geology, mineral processing and metallurgy. Contributions to this worthy project are tax deductible to each individual RMCMI member or his firm. Through annual donations of $100 or more, the Patrons of the Institute fund the scholarship program and the various vice presidents contribute the travel expenses to conventions for these outstanding young collegiates. Donations to this worthwhile program may be made payable to RMCMI Scholar- ship and mailed to the RMCMI Office, 3000 Youngfield Street, Suite 324, Lakewood, CO 80215. Profiles of the 1991 Scholarship Winners follow. [ ] Walter Mengel III University of Arizona Tucson, Arizona Walter has attended the Mining Engineering program at University of Arizona since fall, 1990. He is a very diligent student and has recently been selected student mine foreman for the San Xavier Mine. Walter is secretary of the U. of A. AIME Student Chapter and a student member of the AIME Tucson Chapter. His career interests lean towards western coal mining. [ ] Matthew Madden Colorado School of Mines Golden, CO Matt carries a 2.619 cumulative grade point average in the Mining Engineering Department and ranks 194 in a class of 440. He is involved in a number of school activites such as a member of the Society for Mining, Metallurgy and Exploration, Inc., member of the Resident Hall Association, a Admissions Ambassador, and will be a Resident Hall Director for 1991-1992. Matt is also involved in wrestling and received a Colorado School of Mines Athletic Scholarship in 1990.

Jan 1, 1991

MR. STOUT: The picture shows the plan of the "V"-system as worked at Berwind mine, in a small strip of coal adjacent to the 4th right entry. The dotted line (indicating) show the position of the break rows as set for each of the three consecutive breaks. In two cases the break rows failed to function properly and as a result, the roof caved along the points of the "V's" as well as back along the faces a short distance. This affected the ventilation to a certain extent, but was remedied immediately by cutting through the points near the cave and setting additional timbers. At the present time we are putting in the break row of heavy red spruce props, making the row straight instead of curved as is shown in the picture; in this way we believe we can better control the breaks. The three "V" entries were driven up 14 feet wide, for a distance of 260 feet without cross-cuts. A very neat and substantial line brattice was carried up each entry as the places advanced. The principal factors in determining the success of this system are ventilation, roof control, and transportation. We are well pleased with the results from these three "V" places and now have four other places, about 500 feet to the west of these, driving at the present time in which we hope to get still better results. A MEMBER: What centers did you use there? MR. STOUT: We used 70 feet. This may be increased or decreased according to local conditions. MR. F. W. WHITESIDE (Chief Engineer, Victor-American Fuel Co.) Will you please describe roughly how your cars are handled? MR. STOUT: Cars are brought from the parting and pushed up along the faces by a storage battery locomotive. The faces are about 70 feet long and we found that five or six cars can be loaded and transported very conveniently. It is important to get a quick exchange of cars, and in this way we were able to keep the shovelers busy at all times. A MEMBER: What is the grade in your "V" entries? MR. STOUT: Five per cent in favor of the loaded trip. A MEMBER: What is the angle of your "V" faces? MR. STOUT: The angle at the throat is 45 degrees. MR. SAMUEL ANDREWS: In what direction does the air travel? MR. STOUT: The air travels down the dip entries and is deflected up the first "V" entry, and travels along the points, and returns down the last entry. There is no more difficulty in ventilating "V" faces than in ventilating rooms, providing the points are kept open. A MEMBER: What amount of air do you have in that section? MR. KAISER (Superintendent, Berwind Mine): Eighteen thousand cubic feet per minute. MR. ANDREWS: It is necessary, Mr. Stout, to brattice these places?

Jan 1, 1925

PRESIDENT LITTLEJOHN: The paper of Mr. Emrick will now be open for discussion for about twenty minutes. The meeting is now open for discussion. MR. EMRICK: There is some question that may have occurred to you at different times, that is how are you going to tell when the bits are properly made? A fairly good rule to go by is when the used bits come out of the mine, if half of them are bent and half of them are broken, the average is pretty good MR. GEO. B. PRYDE (Union Pacific Coal Company): I would like to ask Mr. Emrick if he has any figures as to the saving of Dower with the different styles of its. MR. EMRICK: I suppose you mean chisel point bits and pick point bits? MR. PRYDE: Yes. MR. EMRICK: So far as I have been able to learn, the only reason why chisel point bits are used is to prevent coring that might be done by the cutter chain. The pick point bit, of course, is the proper thing to use. It can be used when the position of the cutter links in the cutter chain is right. I do not know of any figures which give power consumption ratings on the use of pick point and chisel point bits, but there are tests and ratings, etc., which have been taken- which have been tested as against different bits, which have been given proper clearances against bits not having been given proper clearances, and they will run,-in their saving in power, they will run 20 to 25 per cent. MR. A. C. WATTS (Chief Engineer, Utah Fuel Company) : I would like to ask Mr. Emrick if he has any record showing the saving in power on using the alloy steel chisel bits. I know that several experiments have been made; I do not recall the figures now, but we had a very decided saving in power. MR. EMRICK: I haven't any of the records. Do you think that is because of the steel that has been used? MR. WATTS: Well, they were all sharpened by the same man and used in the same machine, and at the same shop. I do not know the composition. It is "Red Star" Vanadium that I had in mind. MR. EMRICK: I have not seen any records. Some companies are using the tool steel bits because they stand up a little bit better. MR. BENEDICT SHUBART (Secretary) : I was going to ask Mr. Emrick about that question. There is one company that does not recommend tempering the bits. They recommend using not exactly self-hardening steel, but one that is bard enough without quenching-they use 80-90-point car- bon but about a 70-point manganese, not exactly self-hardening steel, but they do not temper this at all. Will Mr. Emrick state if a steel of that kind could be worked in the bit sharpening machine that his company makes, as it

Jan 1, 1925

The third session of the Rocky Mountain Coal Mining Institute was called to order by Edward G. Fox, President of the Bitumious Coal Operators' Association, Washington, D. C., at 9:M A.M. He stated he had enjoyed being present at the Institute the past two years, and was honored to be asked to preside at this morning's session. Mr. Fox introduced Cloyd M. "DOC" Smith, Vice President of World Mining Consultants, Inc., Washington, D. C., whose talk, "World Trade in Coal" was illustrated with a number of graphs. (See Index.) M. E. "Shorty" Wade, Assistant Purchasing Agent, Kaiser Steel Corporation, Fontana, California, was introduced and gave a paper on "What Is Required to Realize Profits Through Purchasing." (See Index.) Mr. Fox suggested that all members take an active part in their association. He stated that much more can be done in association work than as a lone wolf. He urged all to support their organization and stay with it. It is for each member's good and not for the good of a few. Carl G. Schilbe, District Manager, Jeffrey Manufacturing Company, Columbus, Ohio, was introduced, and he presented a paper on "Results of a Study in Belt Idler Design -The Perma-Seal Idler." This paper was illustrated with a number of slides. (See Index.) "Operation of A-C Mines," was the topic covered by W. C. Painter, Service Engineer, Joy Manufacturing Company, Price, Utah. (See Index.) Each of the papers was well received, and presented a number of things valuable to all who heard them. Mr. Fox then turned the meeting back to President von Storch who read several announcements of committee meetings, and the meeting was adjourned at 11:30 A.M. for an afternoon of recreation before the banquet and dance that evening.

Jan 1, 1958

The final session of the Rocky Mountain Coal Mining Institute was called to order by retiring President, A. Z. Dimitroff. The report of the Auditing Committee was given by E. C. Horne, Acting Chairman of that committee. Motion was made by Dock Schloss that the report he accepted; seconded and carried. Oren Bridwell, Chairman of the Resolutions Committee, gave the following report: 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 June 29, 1960, and the present time.

Jan 1, 1961

By Lloyd Garrison

The Garrison Automatic Domestic Stoker is a device intended primarily for residences and small apartments. In the development of the device com- [ ] mercial features have been given as much consideration as have engineering features. As a result of this consideration the stoker is well within the reach of the middle class buyer as regards price, while at the same time it possesses all of the features of comfort, economy and convenience which accompanies this type of stoker. The stoker is of the over feed type and uses the natural draft of the furnace. A 1/12 H.P., 1,800 R.P.M., motor drives a small worm gear unit through [ ] grooved pulley and rubber belt, effecting a speed reduction from 1,800 to 6 R.P.M. The gear shaft drives a slide situated in the bottom of the coal hopper that causes the coal to be deposited on a link belt chain which carries it through a trough and drops it on the grate. Use of a screw feed has been purposely avoided because of

Jan 1, 1925