Sec. No. 4. Section showing the relative thickness and dip of the lower Magnesian Limestone (F. No.2) and underlying sandstone. With its subordinate beds (F. No.1. b.c.d.e, and f) from the Mississippi River, to the trap exposure at the Falls of St. Croix. By D. Owen. Ackerman Lith. 379 Broadway N.Y. (to accompany) Illustrations to the Geological Report of Wisconsin, Iowa, and Minnesota. (with) Report of a Geological Survey of Wisconsin, Iowa and Minnesota ... 1852.
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Sec. No. 4. Section showing the relative thickness and dip of the lower Magnesian Limestone (F. No.2) and underlying sandstone. With its subordinate beds (F. No.1. b.c.d.e, and f) from the Mississippi River, to the trap exposure at the Falls of St. Croix. By D. Owen. Ackerman Lith. 379 Broadway N.Y. (to accompany) Illustrations to the Geological Report of Wisconsin, Iowa, and Minnesota. (with) Report of a Geological Survey of Wisconsin, Iowa and Minnesota ... 1852.
Full Title
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