Annual Report of the United States Geological and Geographical Survey of the Territories ...U.S. Government Printing Office, 1876 - Geology |
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Common terms and phrases
angle Animas basalt base bluffs borders branches breccia Camp cañon Cañon City Carboniferous character coal color Colorado Cret Cretaceous Dakota group débris deposits Devonian distance district Eagle River east eastern elevation Elk Mountains Eocene F. V. Hayden farther feet flora flows formation fossils geological Grand River granite gray Green River Gunnison River Heer hills Jurassic Lake layers leaf leaves Lesqx Lignitic limestone Loess lower mass mesa metamorphic middle nerve miles Miocene mouth narrow nearly Nebraska nervation North Fork outcrop Park peaks petiole Plate plateau Point of Rocks portion probably quartzite range Red Beds red sandstones referred region Report U. S. Geol rhyolite ridge Roaring Fork Rock Creek sand sandstones Sawatch range secondary veins sedimentary shales side Silurian slope species specimens station 48 strata streams summit Survey Tertiary thickness tion trachyte Triassic upper valley volcanic
Popular passages
Page 12 - ... and the most extensive and interesting conchological collection ever made in the Territories. The party was out eighty-four days, making sixty camps, and traveling one thousand two hundred and forty miles. Not a negative was broken or lost on the trip, and the naturalist's and dio'erent zoological and entomological collections came in safe.
Page 365 - Immediately below the house was a nearly perpendicular ascent of one hundred feet, that puzzled us for a while, and which we were only able to surmount by finding cracks and crevices into which fingers and toes could be inserted. From the little ledges occasionally found, and by stepping upon each other's shoulders, and grasping tufts of yucca, one would draw himself up to another shelf, and then, by letting down a stick of cedar, or a hand, would assist the other. Soon we reached a slope, smooth...
Page 449 - ... else, and even at this high elevation could be heard distinctly at the distance of fifty yards. The points of the angular stones being of different degrees of sharpness, each produced a sound peculiar to itself. The general effect of all was as if a heavy breeze were blowing across the mountain. The air was quite still, so that the wind could have played no part in this strange natural concert, nor was the intervention of a mythological Orpheus necessary to give to these trachytic stones a voice.
Page 370 - Formerly the aborigines inhabited all this country we had been over as far west as the head waters of the San Juan, as far north as the Rio Dolores, west some distance into Utah, and south and south-west throughout Arizona, and on down into Mexico. They had lived there from time immemorial — since the earth was a small island, which augmented as its inhabitants multiplied. They cultivated the valley...
Page 387 - The genital bladder is oval, with a very short duct entering the vagina above the penis-sac. Camp 9 : Hot Sulphur Springs 1 specimen. My notes taken on the spot were lost. The external characters of the animal in alcohol are unreliable ; hence the brief description. In Mr. Binney's "Notes'
Page 365 - In the high bluff, on the right hand in the sketch, are some of the most curious and unique little habitations yet seen. While jogging along under this bluff, fully 1,000 feet in height, and admiring its bold outlines and brilliant coloring, one of our party, sharper-eyed than the rest, descried, away up near the top, perfect little houses, sandwiched in among the crevices of the horizontal strata of the rock of which the bluff was composed. While busy photographing, two of the party started up to...
Page 260 - ... been chiseled by water agencies into unique forms. Indeed, viewed from a short distance they remind the explorer of one of those old cities which only exhibit their ruins as reminders of their ancient greatness. Among these grand desolations the weird, wild old stories of witchery appear plausible and possible. It is in the deep canons at the foot of stair-like projections that the earliest of those wonderful fossil treasures are found which have dono so much to revolutionize our notions of the...
Page 153 - The Judith River beds have their equivalent along the eastern edge of the mountains below the Lignite or Fort Union group, and also in Wyoming, and are Cretaceous, although of a higher horizon than the coal-bearing strata of Coalville and Bear River, Utah.
Page 369 - dozen miles down, and we came upon several little nest-like dwellings, very similar to those in Figs. 5 and 7, but only about 40 or 50 feet above the valley. Two miles farther, and we came upon the tower shown in Fig. 9, standing upon the summit of a great square block of sandstone, some forty feet in height, detached from the bluff back of it. The building, upon its summit, is square, with apertures like windows upon two faces, looking east and north, and very much ruined, but still standing in...
Page 381 - States lying between the Rocky Mountains on the east and the Sierra Nevada on the west, designated, by Mr.