Section of the Valley of the Mississippi River at Prairie du Chien | Map or Atlas | Wisconsin Historical Society

Map or Atlas

Section of the Valley of the Mississippi River at Prairie du Chien

Section of the Valley of the Mississippi River at Prairie du Chien | Map or Atlas | Wisconsin Historical Society
This map shows the geological makeup of the valley in red, yellow, and green, the Mississippi River, and the location of Fort Crawford. The geology on the left bluff from bottom up is: Soft Sugar-like Sandstone; Thin layer of Oolitic Limestone. Alterations of Limestone & Sandstone; Very hard white Limestone; Lower Magnesian Limestone; Limestones; Soft Sugar like Sandstone; Blue Fossiliferous Limestone; and soil. The geology of the right bluff from bottom up is: Sandstone 30ft.; Lower Magnesian Limestone of the Wisconsin River 190 ft.; Limestone 40 ft.; Soft Sugar-like Sandstone 40 ft.; Buff colored Limestone 20 ft.; Blue Fossiliferous Limestone 115 ft.; Soil & Cliff. 60 ft. Cliff Limestone.
DESCRIPTION
This map shows the geological makeup of the valley in red, yellow, and green, the Mississippi River, and the location of Fort Crawford. The geology on the left bluff from bottom up is: Soft Sugar-like Sandstone; Thin layer of Oolitic Limestone. Alterations of Limestone & Sandstone; Very hard white Limestone; Lower Magnesian Limestone; Limestones; Soft Sugar like Sandstone; Blue Fossiliferous Limestone; and soil. The geology of the right bluff from bottom up is: Sandstone 30ft.; Lower Magnesian Limestone of the Wisconsin River 190 ft.; Limestone 40 ft.; Soft Sugar-like Sandstone 40 ft.; Buff colored Limestone 20 ft.; Blue Fossiliferous Limestone 115 ft.; Soil & Cliff. 60 ft. Cliff Limestone.
RECORD DETAILS
Image ID:122990
Creation Date: 1839
Creator Name:Locke, John
City:Prairie du Chien
County:Crawford
State:Wisconsin
Collection Name:Map Collection
Genre:Map or Atlas
Original Format Type:prints, photomechanical
Original Format Number:H GX875 1839 L
Original Dimensions:18 x 31 cm, on sheet 25 x 35 cm
SUBJECTS
Cities and towns
Geology
Formations (Geology)
Fortification
Mississippi River
Valleys

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Reference Details
Location:Wisconsin Historical Society Archives, 4th Floor, Madison, Wisconsin

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