"Signal at Doub Switchover"
name: label: Collection Photographer
content: Smith, Walker R., 1910-
setName: label: See more items in
content: Walker R. Smith Rural Maryland Photoprints
label: See more items in
content: Walker R. Smith Rural Maryland Photoprints / Series 4: Railroad
container: label: Container
content: Box 1, Item 36
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials
label: Type
content: Photographs