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THE practical problems involved in the interpretation of geological and topographical maps are here dealt with in a manner likely to appeal to students of geology and civil engineering. Having worked ...

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A map of Chicago, Illinois, imprinted in 1913 from the United States Geographical Survey’s historical topographic map collection. Image courtesy of the USGS Map lovers, rejoice! The United States ...

iOS (jailbroken): Google's new Maps app for iOS is pretty great, but it has one hidden feature that makes it even better. Here's how to enable hidden topographical maps on your jailbroken iPhone. This ...

For Christmas this year, [Scottshambaugh] decided to make his family a map of their hometown — Portland, ME. Using topographical map data, he made this jaw-dropping 3D map, and it looks amazing. He ...