Mineral assessment tracts in Knox county, Tennessee

[Additional scientific data in this geographic area]

EC04: Mississippi Valley, Appalachian Zn (32b) (Late Paleozoic) , covers 0.2 % of this area
The number of undiscovered deposits in this tract was not estimated.
EC06: Mississippi Valley, Appalachian Zn (32b) (Late Paleozoic) , covers 33 % of this area
90%50%10%5%1%
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