Winchester, Dean Eddy (1883-1936) Hares, Charles Joseph (1881-?) Lloyd Russell E. Parks, E. M. United States of America. Geological Survey.
Winchester, Dean Eddy (1883-1936) Stany Zjednoczone. Geological Survey
Winchester, Dean Eddy (1883-1936) Stany Zjednoczone. Geological Survey
Winchester, Dean Eddy (1883-1936) Stany Zjednoczone. Geological Survey
Winchester, Dean Eddy (1883-1936) Stany Zjednoczone. Geological Survey
Winchester, Dean Eddy (1883-1936) Heald, Kenneth Conrad (1888-1971) Stany Zjednoczone. Geological Survey