GROUND WATER ATLAS of the UNITED STATES
Introduction and National Summary
Carbonate-rock aquifers
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Carbonate-rock aquifers
Figure 27 Photograph showing carbonate-rocks with extremely
permeable conduits that conduct large volumes of water (44K)
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Figure 28 Diagrammatic section showing common
types of karst features that develop on the land surface where
limestone is exposed in the Mammoth Cave area of central Kentucky
(36K)
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Figure 29 Photograph showing an underground stream
in the Mammoth Cave system (60K)
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Figure 30 Map showing the location of the
Floridan aquifer system (28K)
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Figure 31 Correlation chart showing the composition
of the Floridan aquifer system (20K)
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Figure 32 Map showing the variation of thickness
of the Floridan aquifer system (48K)
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(436K compressed)
Figure 33 Cross section showing the composition
of the Floridan aquifer system at the border between Georgia and
Florida (32K)
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Figure 34 Map showing the movement of water
through the Upper Floridan aquifer (60K)
editable eps file A034.eps.gz
(236K compressed)
Figure 35 Map showing the location of the first-magnitude
springs issuing from the Upper Floridan aquifer (24K)
editable eps file A035.eps.gz
(120K compressed)
Figure 36 Map showing regional declines
of water levels in the Upper Floridan aquifer (36K)
editable eps file A036.eps.gz
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Figure 37 Map showing concentrations of
dissolved solids in the Upper Floridan aquifer (36K)
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editable eps file A030.eps.gz
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(16K compressed) 
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(436K compressed) 
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(56K compressed) 
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(236K compressed) 
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(120K compressed) 
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(340K compressed) 
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