| Title | Cross-bedded sandstone of Fond du Lac Formation used in home construction in Duluth, St. Louis County, Minnesota |
| Description | Cross-bedded sandstone of Proterozoic-age Fond du Lac Formation used in home construction in Duluth, St. Louis County, Minnesota. |
| Chronostratigraphy | Proterozoic |
| Lithostratigraphy | Fond du Lac Formation |
| Geologic province | Midcontinent Rift |
| Location | USA ▹ Minnesota ▹ St. Louis. Near Duluth. Duluth Quadrangle. |
| Photographer | Joseph Hartman. 2002-02-21. |
| Collection | Joseph Hartman C08876. |
| Key words | Fond du Lac Formation |
| Tech details | 481 KB. Kodachrome, TIFF. |
| GeoDIL number | 2425 |
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