The Daily Inter Lake reports that Jack Potter worked with the trail crew in the early days of his career at Glacier National Park. Back then, he recalls, there was only snow and ice at the end of the long trail up to Grinnell Glacier. “My first year up there was 1969, and the glacier pushed all the way out to the rock,” said Potter, retired chief of science at the park. “Now, it has retreated so much that there is a sizable lake at the toe of the glacier.”. Read the full article here.