Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 751
Snowdrift on both sides of a fence; on the right completed, on the left incomplete. (Redrawn from Cornish.) b. GEOLOGICAL FORMS. Some examples of the actual shaping of already existing bodiesmight be looked for in the geological forms. Here, however,there are so many factors of corrosion aflfecting… … Plan of snowdrift caused by clump of bushes. (Redrawn from Cornish.) this principle. The forms of erosion, where air or water currentsare by virtue of their motion the chief agents of erosion, wouldpresent data for decisive judgment. In all actual cases otherfactors concerned such as the original…
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