What is "physiographic"

Usage examples of "physiographic".

And so it was partly for physiographic reasons that the first far-stretching expansions of the New England settlements were not toward this great western wilderness but northward along the narrower valleys.

But that was before the coming of the east-and-west canal and the eastand-west railroads, which virtually upheaved a new watershed and changed the whole physiographic, social, and economic relationships of the west.

The effects of this glacial action and of the long periods of erosion preceding it and of other physiographic changes connected with its passing away, have most important bearings on the distribution and character of the gold-bearing alluviums of the province.

The precise physiographic conditions attending the formation of the ice sheet at this point would have to wait for later solution.

They are apparent after a review of the physiographic conditions described in Water-Supply Paper No.