Title: Extensive readvance of late Pleistocene (YD?) alpine glaciers in the Nooksack River Valley, 10,000 to 12,000 years ago, following retreat of the Cordilleran ice sheet, North Cascades, Washington
Subjects: Geology, Glacial epoch, Guidebooks, Stratigraphic Geology
Places: Nooksack River Valley, Washington (State)
Time periods: Pleistocene