Explorations in Turkestan: With an Account of the Basin of Eastern Persia and Sistan. Expedition of 1903, Under the Direction of Raphael Pumpelly
Geological Researches in China, Mongolia and Japan During the Years 1862 to 1865, by Raphael Pumpelly ...
Report on the Mining Industries of the United States (exclusive of the Precious Metals), with Special Investigations Into the Iron Resources of the Republic and Into the Cretaceous Coals of the North-West, by Raphael Pumpelly,...