Title Image Credit, 9 Benefits Cross Country Skiing: Yellowstone National Park | (source) | Public Domain Mark 1.0 –reduced file size
Image Credit 1, 9 Benefits Cross Country Skiing: Forest Service, USDA | (source) | Public Domain Mark 1.0 –reduced file size
Image Credit 2, 9 Benefits Cross Country Skiing: Timo Newton-Syms | (source) | Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0) –reduced file size
9 Benefits Cross Country Skiing, Image Credit 3: futurestreet | (source) | Attribution 2.0 Generic (CC BY 2.0) –reduced file size
9 Benefits Cross Country Skiing, Image Credit 4: Forest Service, USDA | (source) | Public Domain Mark 1.0 –reduced file size
Image Credit 5, 9 Benefits Cross Country Skiing: Huron-Manistee National Forests | (source) | Public Domain Mark 1.0 –reduced file size
Image Credit 6, 9 Benefits Cross Country Skiing: Huron-Manistee National Forests | (source) | Public Domain Mark 1.0 –reduced file size