Study and Interpretation of Topographical Maps

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A topographical map is a multi-purpose large-scale map that shows a small area in detail. It gives information about natural features such as relief, drainage, and vegetation, as well as human feature…

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It is called a Scenery Map because it presents the complete scenery of an area in detail. Natural and human features are both shown clearly, so the map gives a full picture of the landscape.

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Topographical maps are large-scale maps whose scale varies from 1:250,000 to 1:25,000. These maps cover a small area but show much greater detail.

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The word 'topography' comes from two Greek words: 'topos', meaning a place, and 'grapho', meaning I draw or depict. So topography means drawing or describing a place in detail.

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Topographical maps help in studying the regional geography of an area. They are useful for understanding the relationship between relief, drainage, vegetation, settlements, transport, irrigation, and …

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Conventional signs are symbolic representations of earth features shown on a topo-sheet. They are not drawn to any specific scale, but they make the map easy to read and understand.

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Cultivated area is yellow, forests are dark green, grassland is light green, uncultivated land is brown, built up area is red, water features are blue, and railway line is black.

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A plain area has no contour or only a few contours that are widely spaced. This shows a gentle slope and flat relief.