The Interpretation Of Topographic Maps

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The Interpretation Of Topographic Maps

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Author : Rollin D. Salisbury
language : en
Publisher:
Release Date : 1912

The Interpretation Of Topographic Maps written by Rollin D. Salisbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912 with Maps categories.

Analysis And Interpretation Of Topographical Maps

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Author : Nelson Petrie
language : en
Publisher:
Release Date : 1997-10-01

Analysis And Interpretation Of Topographical Maps written by Nelson Petrie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-10-01 with Map reading categories.

The Interpretation Of Topographic Maps Classic Reprint

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Author : Rollin D. Salisbury
language : en
Publisher: Forgotten Books
Release Date : 2017-11-02

The Interpretation Of Topographic Maps Classic Reprint written by Rollin D. Salisbury and has been published by Forgotten Books this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-11-02 with Science categories.

Excerpt from The Interpretation of Topographic Maps The features shown on topographic maps may, for convenience, be classed in three groups (1) Water, including seas, lakes, ponds, rivers and other streams, canals, swamps, etc.; (2) relief, including mountains, hills, valleys, cliffs, etc.; (3) culture, i. E., works of man, such as towns, cities, roads, railroads, boundaries, etc. The conventional signs used for these features are grouped on P1. II. Variations appear in some maps of early dates. All water features are shown in blue, the smaller streams and canals in full blue lines, and the larger streams, lakes, and the sea by blue water lining. Certain streams, however, which flow during only a part of the year, their beds being dry at other times, are shown, not by full lines, but by lines of dots and dashes. Ponds which are dry during a part of the year are shown by oblique parallel lines. Salt-water marshes are shown by horizontal ruling interspersed with tufts of blue, and fresh-water marshes and swamps by blue tufts with broken horizontal lines. Relief is shown by contour lines in brown. Each contour passes through points which have the same altitude. One who follows a contour on the ground will go neither uphill nor downhill, but on a level. By the use of contours not only are the shapes of the plains, hills, and mountains shown, but also their elevations. The line of the seacoast itself is a contour line, the datum or zero of elevation being mean sea level. The contour line at, say, 20 feet above sea level is the line that would be the seacoast if the sea were to rise or the land to sink 20 feet. Such a line runs back up the valleys and forward around the points of hills and spurs. On a gentle slope this contour line is far from the present coast line; on a steep slope it is near the coast. Thus a succession of these contour lines far apart on the map indicates a gentle slope; if close together, a steep slope; and if the contours run together in one line, as if each were vertically under the one above it, they indicate a cliff. In many parts of the country are depressions or hollows with no outlets. The contours, of course, surround these, just as they surround hills. The small hollows known as sinks are usually indicated by hachures, or short dashes, on the inside of the curve. 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.

The Interpretation Of Topographic Maps

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Author : Rollin D. Salisbury
language : en
Publisher:
Release Date : 1940

The Interpretation Of Topographic Maps written by Rollin D. Salisbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1940 with categories.

The Interpretation Of Topographic Maps

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Author : Rollin D. Salisbury
language : en
Publisher:
Release Date : 1908

The Interpretation Of Topographic Maps written by Rollin D. Salisbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1908 with Geology categories.

Interpretation Of Topographic Maps

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Author : Victor C. Miller
language : en
Publisher:
Release Date : 1989

Interpretation Of Topographic Maps written by Victor C. Miller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.

Interpretation Of Topographic And Geologic Maps

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Author : Charles Laurence Dake
language : en
Publisher:
Release Date : 1925

Interpretation Of Topographic And Geologic Maps written by Charles Laurence Dake and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1925 with Cartography categories.

The Interpretation Of Topographic Maps

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Author : Rollin D. Salisbury
language : en
Publisher:
Release Date : 1908

The Interpretation Of Topographic Maps written by Rollin D. Salisbury and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1908 with Maps categories.

Interpretation Of Topographic Maps

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Author : ROLLIN D. SALISBURY
language : en
Publisher:
Release Date : 2018

Interpretation Of Topographic Maps written by ROLLIN D. SALISBURY and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.

Track Symbols On 1 50 000 Printed Topographic Maps

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Author : Pete McDonald
language : en
Publisher: Pete McDonald
Release Date : 2019-11-01

Track Symbols On 1 50 000 Printed Topographic Maps written by Pete McDonald and has been published by Pete McDonald this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-01 with Technology & Engineering categories.

"Track Symbols on 1:50,000 Printed Topographic Maps" gathers examples of track symbols on printed maps from New Zealand and from twenty-five countries in Europe. It also suggests that a redesigned printed and digital New Zealand Topo50 national series could employ some of the track symbology used by the European maps.