TOPOGRAPHICAL MAPS

BY APONI TRUSS

EARTH SCIENCE 2013

WHAT IS A TOPOGRAPHIC MAP?A topographic map is a flat two dimensional map that uses lines to show Earth’s surface features in three dimensions.

WHY ARE TOPOGHRAPHICAL MAPS IMPORTANT?

They can represent the three-dimensional landscape in two dimensions. A person who can read a topographical map can find out the location of peaks, valleys, ridges and saddles, among other land features. Topographical maps can also show you whether you will be traveling uphill or downhill on a particular road or trail.

WHO USES TOPOGRAPHICAL MAPS?

• Hikers

• Campers

• Archeologists

• Biologists

• Engineers

• Forest Ranges

• Soldiers

LAND FEATURES FOUND ON TOPOGRAPHICAL MAPS

Natural Features• Plateaus

• Mountains

• Plains

• Rivers

Man Made• Dam

• Roads

• Hiking Trails

• Rail Road Tracks

DISPLAY OF 3 DIMENSIONS ON A 2 DIMENSIONAL TOPOGRAPHICAL MAP The wiggly lines on a TOPOGRAHICAL map are called contour line and they show an area's elevation, slope and relief.

TURIN PAPYRUS MAP

The oldest known topographical map was found in Egypt.

Drawn approximately around 1160 B.C.

To locate sandstone for Rameese IV and found 1824 A.D.

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