Colorado Historic Average Annual Streamflows, 2003

Colorado Historic Average Annual Streamflows, 2003

Colorado is called "the Headwaters State", and this modern map shows why.  This map shows both graphically and spatially the amounts of water flowing out of Colorado through the eight river basins in the state. The Colorado River is by far the largest. Boulder Creek is shown at center, delivering 50,050 acre feet of water annually into the St. Vrain and South Platte Basin.  Map courtesy of the Honorable Greg Hobbs Collection

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