ENGINEERS VISITORS TO THE BUTTE CAMP While the attendance at the annual meeting of tho American Institute of Mining Engineers was not as largo as was expected, it was nevertheless, In all probability, the m'ost successful ever held. There were some sixty papers submitted sub-mitted on every phase of the mining industry in-dustry by some of the most noted experts ex-perts in the country, and wero they all printed in book form they would all prove a valuable addltlbn to tho mining literature. The members of tho Institute spent a day in Great Falls, whore the smelter of the Anaconda company was visited under tlie guidance of Manager Charles W. Goodale and Superintendent Wheeler. The various improvements mado wero closely Inspected and proved of great interest to those of the party who arc particularly interested In tho treatment of the ores. In this city, where the principal meetings meet-ings were held, tho delegates wore welcomed wel-comed by Vice President C. P. Kelloy of the Anaconda company and Charles F. Rand, president of the institute, responded. respond-ed. Tho greater part of the week was spent in listening to papers and discussions dis-cussions on the same and to the inspection inspec-tion of the various big properties of thu Anaconda cbmpany. A trip was also made to the East Butte and North Butte properties, and also to the scene of op-orations op-orations of the Butte & Duluth company, where. Captain A. B. Wolvin received the visitors and explained to them the leading lead-ing process ho wa3 operating. He displayed dis-played and gave to tho party samples ot tho sheets of copper turned out direct from the ore, which he says Is not costing cost-ing "him over 7 cents a pound. Tho visitors vis-itors were very much interested in the operations there and some of them re. malned a long time watching the process In operation and examining the ground In the vicinity where the ore Is being procured , .The .big compressor plant on Anaconda hill, which Is operated by electricity and which supplies tho compressed air for operating tho shafts of the Anaconda mines, was also visited. Officials of the company were present and explained all the details of tho operation of tho plant. Some of tho visitors asked for and received re-ceived information as to tho cost of operation op-eration as compared with steam, and were assured that electricity was bringing bring-ing about a large saving in oneratlng expenses. ex-penses. A day was 6pent In Anaconda, where the big Washbe smelter was thoroughly Inspected by the visitors under the guidance guid-ance of General Managor B. P. Mathow-son Mathow-son and his force of assistants The ?m!!Cr was operating at a capacity of 12,000 tons of ore a day at the time of the Inspection. Benjamin B. Thayer, vice president of the American Institute of Mining Engineers Engi-neers and president of the Anaconda Copper Mining company, was In attendance attend-ance at tho different sessions of tho Institute In-stitute and very materially assisted the Butte committee in providing entertainment entertain-ment and arranging for the proper inspection in-spection of all the properties of the Anaconda Ana-conda company In Great Falls. Anaconda and this city. Mr. Thayer, who has been In the city for over a month making his semi-annual inspection, will leave in the course of a few days for New York Butte Special to the Boston Financial Isws.