Source: South Park Historical Foundation, 2006]]> Copyright Not Evaluated]]>
Source: Park County Historical Society]]> In Copyright - Rights-Holder(s) Unlocatable or Unidentifiable]]>
Source: South Park Historical Foundation, 2004]]> Copyright Not Evaluated]]> No Copyright - United States]]>
Source: Harry C. Epperson Estate]]> Copyright Not Evaluated]]>
Source: Karen Denison]]> Copyright Undetermined]]>
Source: South Park Historical Foundation, 2004]]> Copyright Undetermined]]> In Copyright - Non-Commercial Use Permitted]]> Copyright Undetermined]]>
Source: South Park Historical Foundation, 2004]]> Copyright Not Evaluated]]>