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Federal
Sinkhole Polygons of the Ozark Plateaus, Northern Arkansas from Topographic Maps
Department of the Interior —
Springs and sinkholes in the Ozark Plateaus Physiographic Province (Ozarks) in Arkansas were digitized from 1:24,000-scale topographic maps to produce a digital... -
Federal
Springs and Sinkhole Centroids of the Ozark Plateaus, Northern Arkansas from Topographic Maps
Department of the Interior —
Springs and sinkholes in the Ozark Plateaus Physiographic Province (Ozarks) in Arkansas were digitized from 1:24,000-scale topographic maps to produce a digital...