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Ladataan... Ogallala Blue: Water and Life on the High PlainsTekijä: William Ashworth
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Kirjaudu LibraryThingiin nähdäksesi, pidätkö tästä kirjasta vai et. Ei tämänhetkisiä Keskustelu-viestiketjuja tästä kirjasta. A good discussion of the problems facing the Ogallala Aquifer. Well-researched and written in an easy to read style. ( ) ei arvosteluja | lisää arvostelu
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The Ogallala Aquifer contains enough water to fill Lake Erie not once but nine times over, and it stretches from Texas to South Dakota, from Colorado almost to Iowa. Every year five trillion gallons are pumped out for irrigation, and if the aquifer goes dry (or, more accurately, when it goes dry), $20 billion worth of food and fiber will disappear overnight. In this lively, carefully researched narrative, William Ashworth tells the history of the Ogallala, from its formation after the retreat of the glaciers to its uncertain future. The most dramatic part of that history deals with efforts to exploit the hidden waters, starting with the primitive wells of long-vanished tribes, through the invention of the center-pivot sprinkler, and on to ever more sophisticated extraction technologies. This is an account of people as well as water, with many vignettes of those living in the shadow of the Ogallala's decline. Kirjastojen kuvailuja ei löytynyt. |
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Google Books — Ladataan... LajityypitMelvil Decimal System (DDC)553.7Natural sciences and mathematics Earth sciences & geology Economic Geology Mineral watersKongressin kirjaston luokitusArvio (tähdet)Keskiarvo:
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