reduced file size version (more functional for some computers): sogn_platteville_fm_lowres
Ordovician carbonates and marls of the Platteville Formation exposed in roadcut along Goodhue County 14, Sogn, MN.
reduced file size version (more functional for some computers): sogn_platteville_fm_lowres
Ordovician carbonates and marls of the Platteville Formation exposed in roadcut along Goodhue County 14, Sogn, MN.