Indianapolis and Terre Haute, Indiana, conductor signaling and tracks
name: label: Collection Collector
content: McCormick, Mack
setName: label: See more items in
content: Robert "Mack" McCormick Collection
label: See more items in
content: Robert "Mack" McCormick Collection / Series 1: Photographic Negatives, Photographs, and Slides / 1.1: Photographic Negatives and Contact Sheets
unitdate: label: Date
content: 1969-03
container: label: Container
content: Box 3, Folder F-102
label: Container
content: Box 17, Folder 102
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Negatives
label: Type
content: Contact sheet