Lignende værker: Map of the surficial deposits of the lake superior region
- Map showing areas formerly covered by glacial lakes of Northern Minnesota, Northern Wisconsin, and Northern Peninsula of Michigan
- General geologic map and sections of the Keweenawan and associated rocks in the lake superior copper district
- Map of glacial and postglacial deposits in Yosemite valley, mariposa county, California
- Surficial geology of the east stroudsburg quadrangle
- Longitudinal section of Lake Lode in plane of Lode
- Reconnaissance map of Yukon-Tanana Region Alaska