Cache LA Poudre: The Natural History of a Rocky Mountain - download pdf or read online

By Howard Ensign Evans

The Cache l. a. Poudre River and its tributaries circulation during the significant towns of north principal Colorado. In 1986, a huge component of the pristine Cache l. a. Poudre and its south fork have been further to the federal Wild and Scenic River approach, the 1st river in Colorado to be included.

With its eloquent and sometimes poetic kind, Cache los angeles Poudre explains the ordinary background of the river basin starting within the tundra of Rocky Mountain nationwide Park and tracing the river 80 miles via numerous existence zones sooner than becoming a member of the South Platte simply east of Greeley.

Arguing convincingly a philosophy of ecological accountability, the authors inform this tale with excellent information of the balances in nature and the influence of human intrusion. beautiful element is paid to vegetation and animals: descriptions of the advanced meanings of birds’ songs, the sexual ritual of bugs, and the struggles among predators and prey elicit bright visualization and an exciting feel of discovery.

An enticing and academic magazine of 2 modern day explorers, Cache los angeles Poudre may well subscribe to the ranks of a few of the easiest environmental books written, together with works via Enos turbines, John Muir, Aldo Leopold, and Wendell Berry.

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Extra info for Cache LA Poudre: The Natural History of a Rocky Mountain River

Sample text

Ever since humans have lived in the Poudre basin, they have also plumbed the rocks for whatever useful or financially rewarding minerals they might conceal. Indians used flint, chalcedony, and similar hard substances for making projectile points, scrapers, knives, and other tools. White settlers quarried limestone for making cement (as they still do).  Courtesy of Jack and Iola Revis. ornamental objects was a small cottage industry in and around Fort Collins. Coal was discovered in the 1860s about twenty-five miles north of Fort Collins, not far from the Wyoming border, and for a time it was used for heating homes in Cheyenne.

The Poudre, including its South Fork, begins in what is now Rocky Mountain National Park and drains some of the high peaks that are the glory of that park. Natives tend to call the South Fork the "Little South," in Page 5 The Cache la Poudre and its two major forks, with cities, villages, and other landmarks indicated. contrast to the upper parts of the Poudre itself, the "Big South. Many of the waters of the Poudre and its South Fork rise in the Mummy Range, which separates the Poudre and Big Thompson drainages.

Over the past two million years, glaciers have played a major role in sculpting the Rockies. As snows of the Ice Age accumulated and became compacted, they formed great masses of ice that moved down from the peaks, gathering rock and scooping out broad, U-shaped valleys. Glaciers formed and receded several times, and during the coldest periods built up layers over 1,500 feet thick. The largest glacier in what is now Rocky Mountain National Park was formed in the valley of the Colorado River. This huge river of ice, twenty miles long from its head at La Poudre Pass to the area west of the park where Shadow Mountain Reservoir is now located, overflowed eastward across Milner Pass into the valley of the Poudre.

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Cache LA Poudre: The Natural History of a Rocky Mountain River by Howard Ensign Evans


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