• In this Aug. 7, 2015, photo scientist Oliver Grah measures the velocity of a stream of glacier melt stemming from Sholes Glacier in one of Mount Baker's slopes in Mount Baker, Wash. Glaciers on Mount Baker and other mountains in the North Cascades are thinning and retreating. (AP Photo/Manuel Valdes)

    Scientists, tribe study shrinking Washington state glacier

    MOUNT BAKER, Wash. (AP) — Mauri Pelto digs his crampons into the steep icy slope on Mount Baker in Washington state and watches as streams of water cascade off the thick mass of bare, bluish ice. Every 20 yards, the water carves vertical channels in the face of the glacier as it rushes downstream.