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Show Tti CEYSESS OF iKE YELLOWSTONE. Tho geysers have made tho National park word-renowned, aud though they are wonderful, they appear exceedingly ex-ceedingly artificial or mechanical rather, and to my mind they aro not much more tj tho park than tho numerous Boda fountains which were in tUe Centennial exhibition, of which future PhiladelphianB are expected to be proud. The gt-ysera sends columns of water from tho aizo of a flour barrel, to that of the .largest dry goods packing cases, to a height of from 100 to GOO feet'iu the air, and'clouda of steam rush into the sky; but, as tho Irish said of the ruah of water over the Falls of Niagara, "What's to hinder ?" In the case of tho geysers, steam ia generated, per-! , hapa, iu the region the existence of which is denied by Bob lugersoli, and it must find its way out. It, creates lor iiuda n33iirea to the surface, but towards the top is met uy coia water, which "presses it down. It then becomes be-comes a case of conflict between the stoam and water as to whether one shall hold the othor one down, or the other force tho one up. First, the water fills the fissures and successfully resists all eflorta of the vapors to rise, for a time, but thia compression ol steam results in gradually adding to ita power, till finally its bonda and water and steam ascend together hundreds of feet with a terrific roar, theeruption continuing from five minutes min-utes to several hours, according to the amouut of steam and water on J hand. The mud goyaeis were on i a similar plan, but they mix with earth, while the great geysera take jup certain portion, of ailica, lime, magnesia, sulphur and iron iu aolu-, aolu-, lion. There are geysera that work in 'the centers of tho great mud puddles, 'sending eip a fluid about the color aud conaisteucv of the drees of a cud ol bad ccfTse; others send up dabs ol pure mud, such as bad boys know bow to fliDg from the end of a stick thrust in a puddle, while iti many the- Btca:u aud mud, with nut a tirnp of water, epluttor and pud' like boiling mush. TheSS" only called . geysers by way ol courtesy. In fact, they are not geysers gey-sers at all, but only eteam mud springs. Still all these varieties add ho the interest. In one little valley, tho water ofoWhicbj is a tributary:? to Gibbon's fork of the Madison, there aro puddles of paints white, yellow, red, brown and black, being mixed by steam, while but a lew yards away ;;ro fathomless spring of sea-green water, hoi enough to boil a man's ley etl in five minutes. Maybe, as Bob Ingersod says, tuere ia no hell, but ho might preach bo to the ludians who have been through the park all his life without convert ing them to his assumed doctrineleei doctrine. The Indians say the geyser? are "bid medicine," and wheu an Indian gets it into his head that a ecrtaia tuing is "bad medicine," you might as well try (o make a wild mule a careful locomotive engineer without an apprenticeship as to get him to believe "bad medicino" won't hurt anybody sometime or other. Cor Pittsburg DUpalch. |