The four main points on a compass are: north, east, south and west. A compass is used to work out direction. A four-point compass can give a rough direction whereas a sixteen-point compass is much ...
Pitkin County government has recently made available a series of topographic maps that boast contours intervals of only two feet — making them about as detailed as those types of maps can be.
In the second half of the 20th century, the foundation of the U.S. Geological Survey’s national map series was the handcrafted 7.5-minute topographic map. Times change, budgets get squeezed and ...