Maps and Charts
name: label: Collection Creator
content: United Telegraph Workers.
label: Collection Creator
content: Western Union Telegraph Company
setName: label: See more items in
content: Western Union Telegraph Company Records
unitdate: label: Date
content: 1820-1964
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
identifier: label: Identifier
content: NMAH.AC.0205, Series 21
objectType: label: Type
content: Archival materials
arrangement: label: Arrangement
content: The series is divided into six subseries: 

1. Bound Maps, 1916-1931

2. Valuation Maps, 1915-1941

3. Indexed Maps (originals), 1918-1964

4. Indexed Maps (copies), 1918-1964

5. Plant and Engineering Department Maps, 1946, 1952
scopecontent: label: Scope and Contents
content: Indexed maps, 1918-1964, provide the locations of owned, leased, and controlled pole and wire lines.