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Last updated on May 23, 2013 at 1:20 EDT

Colorado Reference Libraries

Page 4 of about 35 Articles
Bonytail Chub
2009-01-13 19:58:20

The Bonytail Chub (Gila elegans) is a species of freshwater fish native to certain areas of Arizona, California, Colorado, Nevada and Utah in the United States. Bonytail chub prefer backwaters with rocky or muddy bottoms and flowing pools, although they have been reported in swiftly moving water. They are mostly restricted to rocky canyons today, but were historically abundant in the wide...

Blue Spruce Colorado Spruce
2007-12-27 09:38:32

The Blue Spruce or Colorado Spruce (Picea pungens), is a species of spruce native to western North America, from southeast Idaho and southwest Wyoming, south through Utah and Colorado to Arizona and New Mexico. It grows at high altitudes from 6,000 to 10,000 feet in altitude, though unlike Engelmann Spruce in the same area, it does not reach the alpine tree-line. It is most commonly found...

Beetle
2005-09-08 11:11:08

PHOTO CAPTION: Goliath Beetle Beetles are one of the main groups of insects. Their order, Coleoptera (meaning "sheathed wing"), has more species than any other order in the entire animal kingdom. Forty percent of all described insect species are beetles (about 350,000 species), and new species are regularly discovered. Estimates put the total number of species at between 5 and 8 million....

Zebra-tailed Lizard
2005-06-15 12:58:48

Zebra-tailed lizards are lizards of the genus Callisaurus in the reptile order Sauamata. These lizards live in open desert with fairly hard-packed soil, scattered vegetation and/or scattered rocks, typically desert flats, washes and plains. They range from 2.5 to 4 in (60 to 100 mm) in length. These lizards are gray to sandy brown, usually with series of paired dark gray spots down the back...

Conglomerate geology
2005-05-26 11:13:08

In geology, a conglomerate is a rock consisting of other stones that have been cemented together. Conglomerates are sedimentary rocks consisting of subangular clasts and are thus differentiated from breccias, which consist of angular clasts. Both conglomerates and breccias are characterized by clasts larger than sand (>2 mm). There are two varieties of conglomerate, defined by texture:...