Note 39 — III A CENTURY OF GEOLOGY.—STEPS OF PROGRESS IN THE INTERPRETATION OF LAND FORMS
Reading edition
Gibson, J. B., Remarks on the geology of the lakes and the valley of the Mississippi, this Journal, 29, 201–213, 1836.
Reading edition
Gibson, J. B., Remarks on the geology of the lakes and the valley of the Mississippi, this Journal, 29, 201–213, 1836.