Identifier: haynesguidetoyel1902gupt (find matches)
Title: Haynes' guide to Yellowstone Park
Year: 1902 (1900s)
Authors: Guptill, A. B. (Albert Brewer), 1854-1931 Haynes, F. Jay (Frank Jay), 1853-1921
Subjects:
Publisher: St. Paul, Minn. : F.J. Haynes
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

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the softmaterial surrounding it. The Devils Thumbt a cone of similar structure,but smaller, is located some 200 feet west of LibertyCap, partially iml)C(lded in the hillside. The path lead-ing to the formation past the Devils Thumb is generallytaken when returning, the one for the ascent branchingoft the main road a short distance south of Liberty Cap. Minerva Terrace is a mass of deposit forty feetin height, covering an area of nearly three-fourtiis ofan acre, with a hot spring on the sunmiit some twentyfeet in diameter, the temperature of which is, at theedge, 154 degrees Fahrenheit. The constant changingof the overflow and the intermittent character of thespring make it impossible to predict, a season in ad-vance, which will l)e the active side of the terrace, orwhether it will l)e active at all. At times the spring dis-appears entirely, and the terrace remains inactive anduninteresting in consequence for months. The changein overflow, when the spring is active, is accounted for by
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TOUR OF THE PARK. I9 the rapid deposition of carbonate of lime, wnicn torcesthe water eventually over the entire surface. The quan-tity of water overflowing is very small compared withthe amount of deposit, which, under favorable circum-stances, is about one-sixteenth of an inch in four days.Articles of iron, glass, or any hard substance placedwhere the water can run over them, are soon coated witha crystal-white deposit. During periods of activity,basins or pools, fringed with stalactitic masses, line theeast side of the terrace, presenting the most delicate col-oring, from the highest cream at the top to the deepestshades of yellow^ at the base, the predominating colorbeing bright orange, each pool or basin being filled withtransparent blue water. The elevation (some twenty feethigh) immediately back of the terrace is an excellentpoint from which to obtain a good view of the interiorof the spring. This terrace is about seventy-five feetabove the level at the base of Liberty Cap, whi

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