FEATURES SHOWN ON TOPOGRAPHIC MAPS

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GEOLOGICAL SURVEY CIRCULAR 368 FEATURES SHOWN ON TOPOGRAPHIC MAPS UNITED STATES DEPARTMENT OF THE INTERIOR Douglas McKay, Secretary GEOLOGICAL SURVEY W. E. Wrather, Director GEOLOGICAL SURVEY CIRCULAR 368 FEATURES SHOWN ON TOPOGRAPHIC MAPS By John B. Rowland Washington, D. C., 1955 Free on application to the Geological Survey, Washington 25, D. C. GEOLOGICAL SURVEY TOPOGRAPHIC INSTRUCTIONS Chapter 1 B 3 FEATURES SHOWN ON TOPOGRAPHIC MAPS Contents Abstract .............. . Principles of map representation 1. Definition of a n1ap a. TOPOGRAPHIC map.

map information and the methods by which they are shown. Reference lists of published maps and a chart illustrating standard map symbols are included. PRINCIPLES OF MAP REPRESENTATION 1. Definition of a map A map is a graphical representation, at an established scale, of a part of the earth's sur­ face, showing important natural and manmade

  Symbols, Topographic, Map symbols