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whuber earned this badge 8 times
apr 29 at 13:59What's the difference between a projection and a datum?
dec 23 at 20:35One dimensional map of the world?
apr 22 '12 at 19:25How to measure the accuracy of latitude and longitude?
apr 20 '12 at 8:39How to find the center of geometry of an object?
sep 29 '11 at 9:04How much math does a GIS Analyst need to know?
mar 7 '11 at 7:53Why is the 'straight line' path across continent so curved?