Archival objects in this container: Unidentified man standing next to a child on horseback: photographic print, approximately 1870 to 1900 John William Park as a young child: photographic print, approximately 1919 to 1925 Mary Belle and John William Park: photographic print, approximately 1919 to 1922 Nursery or "Baby room" in an unidentified location: photographic print, approximately 1870 to 1960 Building identified as "U-M Ranch," unidentified location, annotated: photographic print, approximately 1920 to 1960 Grand Canyon, Arizona: photographic print, approximately 1920 to 1960 Unidentified man and child, standing at Grand Canyon, Arizona: photographic print, 1920 to 1960 Unidentified buildings and scenery, possibly on the Park property: photographic print, approximately 1920 to 1960 Bendix National Air Race, Mines Field, Los Angeles, California, courtesy of Dick Whittington Photography, Los Angeles: photographic print, approximately 1933 July 01 to 1933 July 04 Bendix National Air Race, Mines Field, Los Angeles, California: photographic print, approximately 1933 July 01 to 1933 July 04 Unidentified desert location: photographic print, approximately 1920 to 1960 Unidentified individuals, possibly members of the Park and Thomas families: photographic print, approximately 1870 to 1960