Answered: Making a Contour Map of Turtle Island A…

Applications and Investigations in Earth Science (9th Edition)

9th Edition

ISBN:9780134746241

Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa

Chapter1: The Study Of Minerals

Section: Chapter Questions

Problem 1LR

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Transcribed Image Text:Making a Contour Map of Turtle Island A map of Turtle Island on a following page shows spot elevations (in meters) representing ground level. The zero points are water, so make sure to keep your islands shoreline above the zero elevation. Keeping the "Rules of Contour Lines" in mind, draw in and label the contours using a contour interval of 10 meters. Making A Topographic Profile Once you have a topographic map, it is easy to construct a topographic profile. Follow the instructions below to make a topographic profile of the A-A' section line marked on your Turtle Island map. 1. Lay a piece of scrap paper along the line of section. Mark the two ends of the section line. 2. At each point where a contour line crosses the section, make a small mark on you scrap paper and label it with the elevation of the contour line. 3. Lay your scrap paper along the horizontal axis of the topographic profile. Transfer your contour intersection points and elevations to this axis. 4. Using the contour value, plot a point at the correct elevation above each of your horizontal axis marks, then connect these points with a smooth line to create the profile.

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