Rights Statementhttp://rightsstatements.org/vocab/CNE/1.0/Credit10th Mountain Division Resource Center, Denver Public Library, [call number]Digital Reproduction Available for PurchaseYes
Ball, Ralph Williams, 1919-2009, Sled dogs and messenger dogs below Cooper Hill (1943-1944). Denver Public Library Digital Collections, accessed 17/07/2025, https://digital.denverlibrary.org/nodes/view/101001