Challenging Land Use and Abuse In Allamakee County
Allamakee County lies in the northeast corner of Iowa, bordering Minnesota and Wisconsin. It is part of a three-state region that, unlike most of the upper United States and Canada, escaped glaciation during past ice ages. This geological oddity is immediately obvious to visitors by the dramatic terrain of bluffs, hills, and valleys. Expansive plains characterize most of the rest of Iowa, where miles-thick glaciers moved over the land like a bulldozer, lowering elevated areas, filling in depressions, and depositing rich, deep till.
In contrast, the unglaciated northeast of Iowa, referred to as the Paleozoic Plateau for the geologic era of ancient sea bed limestones visible at the surface, contains thin soils and exposed bedrock.