Aeromagnetic survey of the Oelwein and part of the Dubuque North 1:100,000 quadrangles, Wisconsin and Iowa /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of parts of the Winona and La Crosse 1:100,000 quadrangles, Wisconsin and Minnesota /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of parts of the Black River Lake, Eau Claire, Hastings, Stillwater and Winona 1:100,000 quadrangles in Wisconsin, north-west sheet, total magnetic intensity /

[Reston, Va.?] : The Survey, 1998

Aeromagnetic survey of parts of the Oconomowoc, Milwaukee, Lake Geneva, and Racine 1:100,000 quadrangles, Wisconsin and Michigan /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of the Madison and part of the Oconomowoc 1:100,000 quadrangles, Wisconsin /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of part of the Ironwood and Wakefield 1:100,000 quadrangles in Wisconsin, total magnetic intensity /

[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998

Aeromagnetic survey of the Richland Center and part of the Decorah 1:100,000 quadrangles, Wisconsin and Iowa /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of parts of the Marinette, Shawano, Sturgeon Bay and Wabeno 1:100,000 quadrangles in Wisconsin, south sheet /

[Reston, Va.?] : The Survey, 1998

Aeromagnetic survey of the Wisconsin Rapids and part of the Appleton 1:100,000 quadrangle in Wisconsin /

[Reston, Va?] : The Survey, 1998

Aeromagnetic survey of parts of the Black River Lake, Eau Claire, Hastings, Stillwater and Winona 1:100,000 quadrangles in Wisconsin, south-east sheet /

[Reston, Va.?] : The Survey, 1998

Aeromagnetic survey of parts of the Escanaba and Manistique 1:100,000 quadrangles, Wisconsin and Michigan /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of the Sparta 1:100,000 quadrangle, Wisconsin /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of parts of the Marinette, Shawano, Sturgeon Bay and Wabeno 1:100,000 quadrangles in Wisconsin, north sheet /

[Reston, Va.?] : The Survey, 1998

Aeromagnetic survey of parts of the Marinette and Washington Island 1:100,000 quadrangles, Wisconsin and Michigan /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of parts of the Fond du Lac and Sheboygan 1:100,000 quadrangles, Wisconsin and Michigan /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of part of the Black River Falls 1:100,000 quadrangle, Wisconsin /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of the Wisconsin Dells and parts of the Wisconsin Rapids, Appleton and Fond du Lac 1:100,000 quadrangles, Wisconsin /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of the Monroe and part of the Lake Geneva 1:100,000 quadrangles, Wisconsin /

[Reston, Va.?] : The Survey, 1999

Aeromagnetic survey of part of the Ironwood and Wakefield 1 : 100,000 quadrangles in Wisconsin, total magnetic intensity /

[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998