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
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
Aerial view of tonal halo around Carnduff field
Aerial view of tonal halo around Carnduff field
Coastal dunes. Noordwijk, The Netherlands
Coastal dunes. Noordwijk, The Netherlands
Dunes south of El Paso, in Mexico
Dunes south of El Paso, in Mexico
Aerial view of Mackenzie River delta near Aklavik, N.W.T.
Aerial view of Mackenzie River delta near Aklavik, N.W.T.
