. Annual report. 1st-12th, 1867-1878. Geology. fft? the hard rock, so that the rebound is one of the magnificent fea- tures of the scene. Below the Lower Falls the sides of the canon show the material of which it is mostly composed. Where the river has cut its channel through the hard basalt, the irregular fissures, which un- doubtedly extend down, in some manner, toward the heated interior, are distinctly seen. Local deposits of silica, as white as snow, sometimes 400 or 500 feet in thickness, are seen on both sides of the Yellowstone. These also are worn into columns, which stand out boldly
. Annual report. 1st-12th, 1867-1878. Geology. fft? the hard rock, so that the rebound is one of the magnificent fea- tures of the scene. Below the Lower Falls the sides of the canon show the material of which it is mostly composed. Where the river has cut its channel through the hard basalt, the irregular fissures, which un- doubtedly extend down, in some manner, toward the heated interior, are distinctly seen. Local deposits of silica, as white as snow, sometimes 400 or 500 feet in thickness, are seen on both sides of the Yellowstone. These also are worn into columns, which stand out boldly from the nearly vertical sides in a multiplicity of picturesque forms. The basis material. 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.
Size: 1774px × 1408px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, bookpublishe, booksubjectgeology
