The Genesee is the remaining western branch of a preglacial system, with rock layers tilted to the south an average of forty feet per mile, so the river flows across progressively older bedrock as it flows northward.
The Genesee is the remaining western branch of a preglacial system, with rock layers tilted an average of forty feet per mile. INFO IS CONTRADICTORY:, so the river flows across progressively older bedrock as it flows northward.