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Hemphill, B.
An Explorer's Perspective of Diving Underwater Caves at Weeki Wachee Spring and Other Localities in West-Central Florida
Hisert, R.
Man-Made and Natural Mechanisms Leading to Catastrophic Collapse in the Karstic Epler Formation of Eastern Pennsylvania
60 MGD Quarry Dewatering: Engineering Approaches to Reducing Karstic Discharge at a Cement Quarry In Eastern Pennsylvania
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