This marker is approximately on the 100th Meridian. To the west are the High Plains, once the hunting grounds of the Kiowa, Comanche, southern Cheyenne and Arapaho Indians. Traders roamed this area, trail drivers moved vast herds of cattle to the railroad shipping points, and stage lines led to Dodge City and Englewood. A few miles to the east was the Fort Supply-Fort Dodge military road.
This is not a true valley, but is what geologists call a "sink," known locally as Big Basin. A mile across and 100 feet deep, it was caused perhaps thousands of years ago by underground erosion and collapse. East of the basin, in a smaller sink, is St. Jacob's Well, a pool 125 feet wide, which has never been known to go dry. Half a mile southeast is a recently rebuilt stone monument, called "Living Water Marker" by the pioneers, which points to the Well.
Marker text sent by Mike LeMasters, Wichita, KS
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