Open Glory hole in Porphyry, gold mine, Ruby Gulch
Open Glory hole in Porphyry, gold mine, Ruby Gulch
Missouri River near Wolf Point, Montana
Missouri River near Wolf Point, Montana
Mission Canyon, Little Rocky Mountains, Montana
Mission Canyon, Little Rocky Mountains, Montana
Mission Canyon, Little Rocky Mountains, Montana
Mission Canyon, Little Rocky Mountains, Montana
Mission Canyon, Little Rocky Mountains
Mission Canyon, Little Rocky Mountains
Meandering River in Frenchman Valley near Watson's Bridge
Map of the Netherlands, 16th century
Map of the Netherlands, 16th century
Map of the Netherlands during Roman times
Map of the Netherlands during Roman times
Lodgepole Canyon, Little Rocky Mountains, Montana
Lodgepole Canyon, Little Rocky Mountains, Montana
Lodgepole Canyon, Little Rocky Mountains
Lodgepole Canyon, Little Rocky Mountains
Lodgepole Canyon, Little Rocky Mountains
Lodgepole Canyon, Little Rocky Mountains
Little Missouri River in Badlands, Theodore Roosevelt Park
Little Missouri River in Badlands, Theodore Roosevelt Park
Large boulder in finer gravel. Flaxville formation
Large boulder in finer gravel. Flaxville formation
Kepperlites sp. Rierdon formation. Morrison Dome.
Kepperlites sp. Rierdon formation. Morrison Dome.
Ka-Iu Fung fonds
Ka-Iu Fung fonds
