. Annual report. 1st-12th, 1867-1878. Geology. DENTAL CUP surface adorned with the greatest profusion of the pearly beads; the water is constantly boiling up 2 feet high, though but a small quantity flows from it. There are numerous craters or chimneys which are well worthy ^^^S^^'^^^S ^f ^^t^i^tic)n, similar to --(^^^-^^^^^S^'' those pist described, '"''^^^^ii'-}^^^ as the Punch Bowl and ?^^^^J^^"' Dental Cup. (Figs. 51 't:'^^::^><^^^5<^ and 52.) On the summit of the great mound, is one of a class I have called central springs; it is located on tlie highest point of
. Annual report. 1st-12th, 1867-1878. Geology. DENTAL CUP surface adorned with the greatest profusion of the pearly beads; the water is constantly boiling up 2 feet high, though but a small quantity flows from it. There are numerous craters or chimneys which are well worthy ^^^S^^'^^^S ^f ^^t^i^tic)n, similar to --(^^^-^^^^^S^'' those pist described, '"''^^^^ii'-}^^^ as the Punch Bowl and ?^^^^J^^"' Dental Cup. (Figs. 51 't:'^^::^><^^^5<^ and 52.) On the summit of the great mound, is one of a class I have called central springs; it is located on tlie highest point of the mound, on which this great group belongs; has a crater 20 feet in diameter, very nearly quiescent, slightly bubbling, or boils near the center, with a thin elegant riai projecting over the spring, with the water rising within a few inches of the top. The continual but very moderate overflow of this spring uni- formly on every side, builds up slowly a broad-based mound, layer by layer, one-eighth to one-sixteenth of an inch thick; looking down into these vsprings, you seem to be gazing into fathomless depths, while the bright blue of the waters is unequaled even by the sea. There. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological and Geographical Survey of the Territories (U. S. ); United States. General Land Office; United States. Dept. of the Interior. Washington, Govt. Print. Off.
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Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology
