Note 70 — III A CENTURY OF GEOLOGY.—STEPS OF PROGRESS IN THE INTERPRETATION OF LAND FORMS
Reading edition
Hilgard, E. W., The loess of Mississippi Valley, and the eolian hypothesis, this Journal, 18, 106–112, 1879.
Reading edition
Hilgard, E. W., The loess of Mississippi Valley, and the eolian hypothesis, this Journal, 18, 106–112, 1879.