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USGS Thesaurus
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USGS Quadrangles
Paducah
quadrangle 1:250,000 scale
Subtopics
Cape Girardeau
Carbondale
Paducah
West Frankfort
See also
Illinois
Indiana
Kentucky
Lower Mississippi
Mississippi River Valley alluvial aquifer
Mississippi embayment aquifer system
Mississippian aquifers
Missouri
Ohio
Ozark Plateaus aquifer system
Pennsylvanian aquifers
Southeastern Coastal Plain aquifer system
Tennessee
Upper Mississippi
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