Porcupine River, Draft Wild and Scenic River(s) (WSR) Study
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Published: 1984
Total Pages: 60
ISBN-13:
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Author:
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Published: 1984
Total Pages: 60
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DOWNLOAD EBOOKAuthor: United States. National Park Service
Publisher:
Published: 1984
Total Pages: 68
ISBN-13:
DOWNLOAD EBOOKStudy of the 212 mile segment of the Porcupine River from the Canadian-US border to its mouth on the Yukon River. The whole segment is eligible for inclusion in the National Wild and Scenic Rivers System. It meets the criteria as wild from the border to the confluence with the Sucker River and as scenic from that point downstream to its mouth.
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Published: 1990
Total Pages: 1120
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Publisher:
Published: 1983
Total Pages: 42
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Published: 2000
Total Pages: 486
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DOWNLOAD EBOOKAuthor: United States. Bureau of Land Management
Publisher:
Published: 1981
Total Pages: 40
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DOWNLOAD EBOOKAuthor: United States. Heritage Conservation and Recreation Service. Pacific Southwest Regional Office
Publisher:
Published: 1980
Total Pages: 62
ISBN-13:
DOWNLOAD EBOOKAuthor: Jerry Johnson
Publisher: Rowman & Littlefield
Published: 2010-06-16
Total Pages: 185
ISBN-13: 1589795229
DOWNLOAD EBOOKVisitors to Yellowstone National Park are drawn to the spectacular scenery, unique thermal features, and the large numbers of wild animals easily observed in their natural habitat. The thoughtful visitor to the park cannot help but be captivated by the unparalleled breadth of scientific knowledge needed to understand the intricate interrelationships that make up the yellowstone landscape. Knowing Yellowstone explores how scientists discover what they know about America's first national park and the surrounding lands. The chapter authors are scientists who represent the best of their fields of study. The science they describe is leading the way to our understanding of complex ecosystems worldwide.
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Published: 1997
Total Pages: 92
ISBN-13:
DOWNLOAD EBOOKThis volume represents a first attempt at holistically classifying and mapping ecological regions across all three countries of the North American continent. A common analytical methodology is used to examine North American ecology at multiple scales, from large continental ecosystems to subdivisions of these that correlate more detailed physical and biological settings with human activities on two levels of successively smaller units. The volume begins with an overview of North America from an ecological perspective, concepts of ecological regionalization. This is followed by descriptions of the 15 broad ecological regions, including information on physical and biological setting and human activities. The final section presents case studies in applications of the ecological characterization methodology to environmental issues. The appendix includes a list of common and scientific names of selected species characteristic of the ecological regions.
Author: George F. Williss
Publisher:
Published: 1985
Total Pages: 348
ISBN-13:
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