Note 65 — Chapter XX · GEOLOGY AND ENGINEERING CONSTRUCTION
Reading edition
Atwood, W. W., Relation of landslides and glacial deposits to reservoir sites in the San Juan mountains, Colorado: Bull. 685, U. S. Geol. Survey, 1918.
Reading edition
Atwood, W. W., Relation of landslides and glacial deposits to reservoir sites in the San Juan mountains, Colorado: Bull. 685, U. S. Geol. Survey, 1918.