Tales in Geography: John Wesley Powell at the Helm of the USGS (Part 2)
Fights over water are pretty common these days. The San Joaquin River in California, for example, is in the thick of disputes between farmers, cities
Tales in Geography: John Wesley Powell Rides the Colorado (Part 1)
photo courtesy Philip Greenspun “We are three quarters of a mile in the depths of the earth, and the great river shrinks into insignificance as
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