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The Quaternary Geologic Map of the Lake Erie 4� x 6� Quadranglewas mapped as part of the Quaternary Geologic Atlas of the United States.The atlas was begun as an effort to depict the areal distribution ofsurficial geologic deposits and other materials that accumulated orformed during the past 2+ million years, the period that includes allactivities of the human species. These materials are at the surface ofthe earth. They make up the "ground" on which we walk, the "dirt" inwhich we dig foundations, and the "soil" in which we grow crops. Mostof our human activity is related in one way or another to these surfacematerials that are referred to collectively by many geologists asregolith, the mantle of fragmental and...
Tags: 26011 = Arenac, 26017 = Bay, 26049 = Genesee, 26063 = Huron, 26087 = Lapeer, All tags...
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The Quaternary Geologic Map of the Chicago 4� x 6� Quadranglewas mapped as part of the Quaternary Geologic Atlas of the United States.The atlas was begun as an effort to depict the areal distribution ofsurficial geologic deposits and other materials that accumulated orformed during the past 2+ million years, the period that includes allactivities of the human species. These materials are at the surface ofthe earth. They make up the "ground" on which we walk, the "dirt" inwhich we dig foundations, and the "soil" in which we grow crops. Mostof our human activity is related in one way or another to these surfacematerials that are referred to collectively by many geologists asregolith, the mantle of fragmental and generally...
Tags: 17007 = Boone, 17011 = Bureau, 17015 = Carroll, 17017 = Cass, 17019 = Champaign, All tags...


    map background search result map search result map Quaternary Geologic Map of the Chicago 4� x 6� Quadrangle, United States Quaternary Geologic Map of the Lake Erie 4� x 6� Quadrangle,United States and Canada Quaternary Geologic Map of the Chicago 4� x 6� Quadrangle, United States Quaternary Geologic Map of the Lake Erie 4� x 6� Quadrangle,United States and Canada