"Fairview Prarie Karst". 24k USGS topo map containing dye input points, dye vectors and spring where dye was detected. Positive trace from Jacobson Sinks to Moth and Grabau Springs. Positive trace from LeFevre Blind Valley to Grabau Spring. Positive trace from Natural Well to Root Spring and Moth and Grabau Springs. Negative trace from Jacobson Sinks to Root Spring. Positive trace from Matheson Sink to Moth and Grabau Springs and Seven Springs. Other miscellaneous springs documented.
Spong, Ronald C.
Wykoff A 24k USGS DRG Topo Map.
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