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Tunnels
US WaBuPNRA D0027-001-009-008-008 · Subseries Level 3 · undated
Part of Timothy Miller Collection

Engineering drawings of structures designed to allow passage of trains underground.
Tunnels
US WaBuPNRA D0027-003-009-008-008 · Subseries Level 3 · 1948-1980
Part of Timothy Miller Collection

Engineering drawings of structures designed to allow passage of trains underground.
Tunnels
US WaBuPNRA D0027-004-009-008-008 · Subseries Level 3 · 1890-1914
Part of Timothy Miller Collection

Engineering drawings of structures designed to allow passage of trains underground.
Tunnels
US WaBuPNRA D0063-003-014-003-007 · Subseries Level 3 · 1924
Part of Walter W. Ainsworth Collection

Still photographs of railroad structures for the passage of trains underground.

 Turner, James A.
Tunnels
US WaBuPNRA D0027-010-009-008-008 · Subseries Level 3 · undated
Part of Timothy Miller Collection

Engineering drawings of structures designed to allow passage of trains underground.
Tunnels
US WaBuPNRA D0177A-010-014-003-007 · Subseries Level 3 · July 1955
Part of Chuck Strawn Collection

Still photographs of railroad structures for the passage of trains underground.