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The Word of the Day!
hachsure\HACK-sure\verb: to denote surfaces in relief (as on a map) by shading with short lines drawn in the direction of slopeTopographic surveys were done for the first time with compasses…. And mapmakers developed new methods for depicting terrain. One method, called hachuring, used lines to indicate the direction and steepness of a slope.Today in History!1822 Boston is incorporated as a city.