Geologic sample collected from Racine County, WI
Geologic sample collected from Ozaukee County, WI
Geologic sample collected from Marathon County, WI
Geologic sample collected from Vilas County, WI
Geologic sample collected from Sauk County, WI
Geologic sample collected from Taylor County, WI
Geologic sample collected from Taylor County, WI
Geologic sample collected from Barron County, WI
Geologic sample collected from Barron County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from Barron County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from St. Croix County, WI
Geologic sample collected from Bayfield County, WI
Geologic sample collected from Bayfield County, WI
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