[Reports of surveys of New York subways and the East River tunnels]
Published: 1914
Language: eng
Subjects: Subways; Tunnels; Surveys
Notes: Reports, charts, survey calculations, typescripts and blueprints relating to the construction of the East River subway tunnels from Manhattan (14th Street) to Brooklyn collected by C.M. Holland, Tunnel Engineer.

Folded plate in pocket.

Includes Levels for the East River Tunnels / C.M. Holland.