Page:Popular Science Monthly Volume 35.djvu/173

Rh edge, and has there built up an immense terminal moraine all along its front.

 Showing icebergs that have broken off from the front. Front about one mile wide. (Photograph by Partridge.)

An illustration of the precipitous character of the southeastern coast of Alaska is seen in the fact that it is only thirty-five miles from the head of Lynn Canal to the sources of the Yukon River, which then flows to the north and west for nearly three thousand miles before coming down to the sea-level. Lieutenant Schwatka