Author: Fred Gordon Plummer
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 80

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Author: Fred. G. PLUMMER (and GOWSELL (M. G.))
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Fred Gordon Plummer
Publisher: Palala Press
ISBN: 9781377403526
Category : Nature
Languages : en
Pages : 72

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Author: Fred G. Plummer
Publisher: Forgotten Books
ISBN: 9780265253038
Category : Science
Languages : en
Pages : 160

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Excerpt from Forest Conditions in the Lincoln Forest Reserve, New Mexico Thus far, with the exception of the Lake Border morainic system, these several inner belts have not been definitely correlated with those Of neighboring States. In working out the details of the local geological history it is important that many of these features, such as the several moraines of the small lobe under discussion, should be discriminated, but they have not any considerable geographic extent, and hence should be designated by local names, and these have been proposed where it seemed necessary. The same procedure has been followed in the dis cussion of the several morainic members included by Professor Chamberlin under the name Kettle moraine or Kettle Range. That portion of the general morainic system which lies between and was formed by the joint action of the Green Bay and Lake Michigan glaciers is referred to descriptively in this paper as the interlobate Kettle moraine, it not being thought desirable at this stage of the investigation to propose a more definite name. For convenience of reference the following outline of the stages of glaciation and intervals of deglaciation thus far recognized by the United States Geological Survey is here inserted. This outline is modified from that given by Mr. Frank Leverett in his recent monograph on the Glacial Formations and Drainage Features of the Erie and Ohio Basins,0 and is based upon the latest data from the studies of Prof. T. C. Chamberlin, Mr. Frank Leverett, and many other students of glacial phenomena. The principal modification consists in the substitution of the phenomena of the late Wisconsin drift sheets as developed in Wisconsin and Illinois for those represented in the Ohio district. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

Author: Fred Gordon Plummer
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 86

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Author: Fred Gordon Plummer
Publisher: Nabu Press
ISBN: 9781289361365
Category :
Languages : en
Pages : 72

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Book Description
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

Author: Theodore F. Rixon
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112

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Author:
Publisher:
ISBN:
Category : Ecosystem management
Languages : en
Pages : 96

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We present the history of land use and historic vegetation conditions on the Sacramento Ranger District of the Lincoln National Forest within the framework of an ecosystem needs assessment. We reconstruct forest vegetation conditions and ecosystem processes for the period immediately before Anglo-American settlement using General Land Office survey records, historic studies and accounts, and reconstructive studies such as dendrochronological histories of fire and insect outbreak and studies of old growth. Intensive grazing, clearcut logging, fire suppression, and agriculture in riparian areas have radically altered forest structure and processes since the 1880s, when intensive settlement began in the Sacramento Mountains. Present forests are younger and more dense than historic ones, and in areas that were previously dominated by ponderosa pine, dominance has shifted to Douglas-fir and white fir in the absence of frequent surface fire. Landscapes are more homogeneous and contiguous than historic ones, facilitating large-scale, intense disturbances such as insect outbreaks and crown fires.

Author: United States. Department of Agriculture. Library
Publisher:
ISBN:
Category :
Languages : en
Pages : 312

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Author: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 308

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