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TitleDateTypeSetname
1 Mountain State Telephone and Telegraph Company Switch Board at Main Office1912-01-30Imagedha_scp
2 Mountain State Telephone and Telegraph Company Switch Boards1912-01-30Imagedha_scp
3 Mountain States Telephone and Telegraph Company1912-01-30Imagedha_cp
4 Mountain States Telephone and Telegraph Company1912-01-30Imagedha_cp
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