Topographical map of the Half Dome area of California. USGS.
The US Topo scheme allows users to choose layers to be included in the printed maps, including roads, contour lines, hydrogeographic features etc. The series now covers 44 states of the US.
See also UNESCO release a new World Heritage Map, John Snow's Cholera Map, Mapping Africa's groundwater resources, United States Geological Survey releases a geological map of Io.
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