Cowan, William R.

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Quaternary Geologic Map of the Lake Erie 4° x 6° Quadrangle, United States and Canada

The Quaternary Geologic Map of the Lake Erie 4° x 6° Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other material