This atlas examines nearly every aspect of the natural history of the Nebraska Sand Hills, including Indian occupation, settlement, current range practices & the "cow-country" lifestyle. These 19,300 square miles comprise the largest dune area in the Western Hemisphere. The grass-stabilized dunes, some as high as 400 feet & as long as 20 miles, were formed by blowing sand during a surprisingly recent time, mostly the last 8,000 years. The climate ranges from subhumid in the east to semiarid in the west. The area is an ecological meeting ground, where species from different vegetative & faunal regions coexist, creating distinctive biological communities. The sandy soils & underlying sands & gravels have allowed for the accumulation of a vast quantity of groundwater, much of which "outcrops" at the surface. This accounts for another unique characteristic: the dry, dune-top prairie ecosystem beside a wetland, lake, or constantly flowing stream. "But this atlas is much more than an explanation of the climate & geology of the Sand Hills. Illustrated with wonderful color photos, fold-out maps, graphs & numerous charts, the book explores the entire ecology of the Sand Hills," said Francis Moul in his review for the DES MOINES REGISTER.
This is followed by 22 chapters on the major river basins. Each chapter begins with a full-page color photograph and includes several additional photographs within the text.
In some areas , blowouts may be as large as 45 meters in diameter and can form a dishlike depression as much as 25 meters deep as a result of downwardly deflected air currents that tend to excavate sand in a progressive , turbinelike ...
After the dissolution of the Spanish Commercial Enterprise , Mackay lived at St. Charles just outside St. Found here the middle part of the thigh bone ' of an Louis . At the time Lewis and Clark's expedianimal , the large end of MAMMOTH ...
... Sandhills . " In An Atlas of the Sandhills . Resource Atlas No. 5. Lincoln : Conser- vation and Survey Division , University of Nebraska . Keech , C. F. , and Ray Bentall . 1971. " Dunes on the Plains : The Sandhills Region of Nebraska ...
Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there...
6.13 Core crescentic and barchan dunes near Dunes Drive in the middle of White Sands Dune Field. (a) Color-shaded topography of dunes around dunes drive. Note the road and picnic tables resolved in the lidar-derived topography (1 ...
A Prairie Mosaic: An Atlas of Central Nebraska's Land, Culture, and Nature
An illustrated look at the major deserts of the world includes coverage of how deserts form; variations in weather, topography, and geography; desert plants and their adaptations; creatures of the desert; and resource extraction and its ...
Climate Office), Kenneth Dewey (School of Natural Resources), and Mark Svoboda, Brian Fuchs, Jeff Nothwehr, and Calvin Poulsen (National Drought Mitigation Center) assisted with the maps and graphs on Nebraska's climate.
Luna moth , male . eyes are typically hidden on the hindwing until the forewings are drawn forward . Luna moths and many other silkmoths have such eyespots , but this possible function for them has apparently remained unstudied .