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Altman, Sidney
(Encyclopedia) Altman, Sidney, 1939–, Canadian-American molecular biologist, b. Montreal, Ph.D., Univ. of Colorado, 1967. A professor at Yale Univ. since 1971, he discovered that RNA could function…Poncha Pass
(Encyclopedia) Poncha PassPoncha Passpŏnˈchə [key], 9,012 ft (2,747 m) high, central Colo., in the northern tip of the Sangre de Cristo Mts. One of the lowest mountain passes in Colorado, it was…Sangre de Cristo Mountains
(Encyclopedia) Sangre de Cristo MountainsSangre de Cristo Mountainssăngˈgrē də krĭsˈtō [key], part of the S Rocky Mts., extending c.220 mi (350 km) from S central Colo. into N central N.Mex. Noted…Sand Creek
(Encyclopedia) Sand Creek, Colorado, site of a massacre (1864) of Cheyenne by Col. John M. Chivington and his Colorado Volunteers. The Cheyennes, led by Black Kettle, had offered to make peace and,…Geology of the Grand Canyon: Chapter Ii. Geography Of The Grand CaÃÂon District.
CHAPTER I. THE PLATEAU PROVINCE.CHAPTER III. THE TERRACES.CHAPTER II. GEOGRAPHY OF THE GRAND CAíON DISTRICT.The Grand Cañon District-the region draining into the Grand and Marble Cañons-is…Fitzpatrick, Thomas
(Encyclopedia) Fitzpatrick, Thomas, c.1799–1854, American trapper, fur trader, and guide, one of the greatest of the mountain men, b. Co. Cavan, Ireland. He emigrated early to the United States, and…Bent's Fort
(Encyclopedia) Bent's Fort, trading post of the American West, on the Arkansas River in present-day SE Colorado, E of Rocky Ford and La Junta and several miles above the mouth of the Purgatoire. The…pigment
(Encyclopedia) pigment, substance that imparts color to other materials. In paint, the pigment is a powdered substance which, when mixed in the liquid vehicle, imparts color to a painted surface. The…Pikes Peak
(Encyclopedia) Pikes Peak, 14,110 ft (4,301 m) high, central Colo., in the Front Range of the Rocky Mts.; discovered by U.S. explorer Zebulon Pike in 1806. There are many higher peaks in the Rockies…How Old Is the Grand Canyon?
The Grand Canyon may be 10 million years older than we thought by Liz Olson Visit our Grand Canyon Slideshow.Photo of the Grand Canyon courtesy of Carol M. Highsmith…Trending
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