Archaeologists at work near Gull Lake, Saskatchewan
Archaeologists at work near Gull Lake, Saskatchewan
Mission Canyon, Little Rocky Mountains, Montana
Mission Canyon, Little Rocky Mountains, Montana
Ironstone concretions in Eagle sandstone
Ironstone concretions in Eagle sandstone
Kepperlites sp. Rierdon formation. Morrison Dome.
Kepperlites sp. Rierdon formation. Morrison Dome.
Badlands. Fort Union formation. Paleocene
Badlands. Fort Union formation. Paleocene
Badlands. Fort Union formation. Paleocene
Badlands. Fort Union formation. Paleocene
Little Missouri River in Badlands, Theodore Roosevelt Park
Little Missouri River in Badlands, Theodore Roosevelt Park
Burning coal seam. Fort Union formation
Burning coal seam. Fort Union formation
Dam in Frenchman Valley near Eastend, Sask.
Dam in Frenchman Valley near Eastend, Sask.
Frenchman Valley near Knollys, Sask.
Frenchman Valley near Knollys, Sask.
Frenchman Valley seen from south rim of Knollys, Saskatchewan
Frenchman Valley seen from south rim of Knollys, Saskatchewan
Dam near Eastend, Saskatchewan along Frenchman Valley
Dam near Eastend, Saskatchewan along Frenchman Valley
Hills of Eastend formation. Eastend, Saskatchewan
Hills of Eastend formation. Eastend, Saskatchewan
Clay facies of the Frenchman River over sand facies
Log-like concretions in Frenchman sand facies
Log-like concretions in Frenchman sand facies
