Early European explorers found the Plains a very hostile environment, and the area was marked on early maps as the 'great American desert'. One American explorer, Major Stephen Long, declared ...
This enormous area of the Great Plains, Southwest, Pacific Northwest, and Basin area represented the homelands of many Indian communities. At least 28 tribes might be called Plains Indians.
"The Great Plains target area is a perfect example of this. It has the right geology and plenty of room for discoveries with scale." "These DCIP results are compelling," commented Steve Blower ...