Elementary map and aerial photograph reading Page: 11
116 p., ill., diagrs., maps Enclosed at end: Change 1 (20)View a full description of this book.
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on the ground, just as the football symbols stand for the
players on the ground.
To read a map, then, we have to learn what these vari-
ous signs mean. Map signs all look something like the
actual thing they stand for. All the signs are simple to
draw and are easily recognized. The following few
pages show you some of the more common signs which
are found on maps. There is reason for their shape, and
the pictures with the signs show what they stand for.
Objects on the Land
For example, figure 15 shows a pick crossed with a
sledge-hammer, the sign for a mine, such as a coal mine.
These two tools are used in mining. Figure 16 shows
the sign for a schoolhouse, a black block with.a flag fly-
ing from it. Most schools have a flag on a flagpole, and
the sign gives you the idea of a school.
Let us put these signs on a map and see what they
look like. Figure 29 shows you the mapping signs for
the things you saw in the photograph of the land in
figure 13. Identify the signs shown.
The map, however, is still incomplete. So far, we just
have our objects on a flat, blank piece of land, but our
land is not like that. It has much more on it than these
signs alone can show us.Figure 15.
Figure 16.
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United States. War Department. Elementary map and aerial photograph reading, book, August 15, 1944; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc96653/m1/17/: accessed April 24, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.