The Last Days of Mankind: Ecological Survival Or Extinction |
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Page 29
... miles of river out of 1,000 miles in its original state . But before either of these dams was built , something had to be done . Through eons the Colorado River had carved out the fantastic sculpture of the Grand Canyon because its ...
... miles of river out of 1,000 miles in its original state . But before either of these dams was built , something had to be done . Through eons the Colorado River had carved out the fantastic sculpture of the Grand Canyon because its ...
Page 141
... miles long and three miles wide . The birds , he said , came in soon after sundown with a roar of wings " like a gale passing through the rigging of a close- reefed vessel , " creating a wind as they came . They alighted in the trees in ...
... miles long and three miles wide . The birds , he said , came in soon after sundown with a roar of wings " like a gale passing through the rigging of a close- reefed vessel , " creating a wind as they came . They alighted in the trees in ...
Page 260
... miles , be preserved in the national park system . Considering the thousands upon thousands of miles of shoreline that form the perimeter of the continent , a goal of 439 miles is mi- croscopic ; yet only one area was actually acquired ...
... miles , be preserved in the national park system . Considering the thousands upon thousands of miles of shoreline that form the perimeter of the continent , a goal of 439 miles is mi- croscopic ; yet only one area was actually acquired ...
Contents
An Introduction | 9 |
Rivers Dams and Floods | 27 |
Water Pollution and the Great Water Shortage | 49 |
Copyright | |
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acres Agriculture Alaska alligators American animals bill birds building California Canyon cars chemical Congress conservation conservationists cost cougars created Creek damage decibels Department dieldrin Disney dumped East Meadow ecology Engineers environment Environmental estimated Everglades Everglades National Park expressway Federal feet fish flood Florida Forest Service gallons Governor harp seal Hickel highway Hudson hunters increased industry insecticides insects Interior Island jetport killed Lake Lake Okeechobee Lake Powell lumber companies miles million Mineral King mountain National Forest National Park natural Okeechobee oxygen Park Service percent pesticides plankton plant pollution population pounds predators problem proposed public lands recreation redwood reservoirs river road salmon Save-the-Redwoods League says Secretary Sequoia National Park sewage Sierra Club species spraying square miles stream supply timber tion traffic trees Udall Valley Vällingby wild wilderness wildlife wood York