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Bonticou tunnel. Erecting steel area arch forms for concreting. .. Contract  47. April 12, 1911.

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Bonticou tunnel. Erecting steel area arch forms for concreting. .. Contract 47. April 12, 1911.

description

Summary

Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.

date_range

Date

1918
person

Contributors

New York (N.Y.). Water Supply Board, Compiler
place

Location

New York
create

Source

New York Public Library
copyright

Copyright info

Creative Commons CC0 1.0 Universal Public Domain Dedication ("CCO 1.0 Dedication")

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