Water-supply Paper

Water-supply Paper PDF Author:
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 698

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Water-supply Paper

Water-supply Paper PDF Author:
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 698

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Water-supply Paper

Water-supply Paper PDF Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 1076

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Gazetteer of Streams of Texas

Gazetteer of Streams of Texas PDF Author: Glenn Arthur Gray
Publisher:
ISBN:
Category : Texas
Languages : en
Pages : 1010

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Texas Almanac, 2000-2001 (Millennium Edition)

Texas Almanac, 2000-2001 (Millennium Edition) PDF Author:
Publisher:
ISBN:
Category : Texas
Languages : en
Pages : 0

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Key to the Herpetofauna of the Continental United States and Canada

Key to the Herpetofauna of the Continental United States and Canada PDF Author: Robert Powell
Publisher: University Press of Kansas
ISBN: 0700628908
Category : Science
Languages : en
Pages : 180

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Book Description
This profusely illustrated comprehensive key for identifying amphibians and reptiles from the continental United States and Canada incorporates a wealth of scientific findings. Since the first edition was published in 1998 and the second in 2012, the number of currently recognized species of native amphibians and reptiles in the area covered by this key has increased from 545 to 634 to 685, and the number of established non-native species has increased from 39 to 58 to 67. The increase in native taxa reflects the dynamic nature of modern systematics and the use of new (especially molecular) techniques to elucidate relationships and redefine species boundaries. The increase in non-native species reflects the porosity of the North American borders when it comes to controlling animal imports. The key is easy to use and illustrated with outstanding line drawings that show details of color patterns and structures used for identification. To accommodate the additional taxa, the number of line drawings in this third edition has increased from 257 to 279 to 295. In addition, nine maps illustrate the distributions of species that have been recognized since the publication of maps in the most recent editions of the Peterson Field Guides to the reptiles and amphibians of eastern, central, and western North America. A large number of annotations detail current taxonomic ambiguities or disagreements and the literature cited has been expanded. Collectively these features enhance opportunities to teach and learn the classification and identification of amphibians and reptiles in the continental United States and Canada.

Soil Survey of ... [various Counties, Etc.].

Soil Survey of ... [various Counties, Etc.]. PDF Author: U.S.D.A. Soil conservation service
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 1050

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Springs of Texas

Springs of Texas PDF Author: Gunnar M. Brune
Publisher: Texas A&M University Press
ISBN: 9781585441969
Category : Business & Economics
Languages : en
Pages : 616

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Book Description
This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general characteristics of springs - their physical and prehistoric settings, their historical significance, and their associated flora and fauna.

Soil Survey, Bexar County, Texas

Soil Survey, Bexar County, Texas PDF Author: Frank B. Taylor
Publisher:
ISBN:
Category : Bexar County (Tex.)
Languages : en
Pages : 232

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The Code of Federal Regulations of the United States of America

The Code of Federal Regulations of the United States of America PDF Author:
Publisher:
ISBN:
Category : Administrative law
Languages : en
Pages : 1084

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Book Description
The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.

Code of Federal Regulations

Code of Federal Regulations PDF Author:
Publisher:
ISBN:
Category : Administrative law
Languages : en
Pages : 1356

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Book Description
Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.