Aerial view of a mountain ridge. The peaks of the mountains are covered in glaciers. The bottom half of the mountains are forested. More mountain peaks can be seen in the background.
Marble Creek and Eldorado Peak. (North Cascades NPS Complex Museum Collection, NOCA.0002 Assembled Collections, Series V: 1963 NPS North Cascades Survey Photographs)
U.S. National Park Service
This digital asset is in the public domain. When using this asset for any purpose, including online, credit: 'Courtesy of North Cascades NPS Complex Museum Collection, 1963 NPS North Cascades Survey Collection.'