Change is a constant we live with our whole lives. The rocks in Grand Portage record changes we might never imagine. However, by observing these old rocks we can come to realize the changes on our earth have been truely monumental through the immensity of geologic time.
During this walk, from 1:00PM to 2:00PM we will look at some rocks near the Heritage Visitors Center. We recommend you bring sturdy footgear and water.More »