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Charles Hutton invented contour lines while trying to make order of scores of measurements taken by surveyors for the purpose of finding the mass of Mount Schiehallion in the central Scottish Highlands in 1774.
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What is every fifth contour line?

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What is a sentence for contour line?

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What is the best definition of what a contour line is?

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What is contour line in art?

A contour line in art is an outline of a subject with no shading.


What is the change in elevation from one contour line to the next is called?

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What is a darker contour line usually every fifth line?

It makes it easier to count the number of contour lines.


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What is the difference between and index contour and a regular contour line?

An index contour is a thicker contour line that is labeled with the elevation of that contour. It usually appears every fifth contour line and helps to quickly identify elevation changes on a topographic map. Regular contour lines are thinner and connect points of equal elevation.


What does a contour line indicate when it points downhill?

When a V-shaped contour line points downhill, it means that the contour line is under very low elevation. And incase your wondering about when the contour line is uphill, it means that the elevation level is very high.


What was the first contour line?

The first contour line was created by Charles Hutton in 1771. He used contour lines to map a coal mine.


What is a depression contour and a contour line?

A depression contour is a contour line that represents a lower elevation compared to the surrounding terrain. A contour line is a line on a map connecting points of equal elevation, indicating the shape of the land surface.