Engineering (3 collections)

  • Schuylkill Navigation Co Schuylkill River Proj. Engineers’ Records, 1850-1940

    The collection contains drawings and contracts for projects to rehabilitate and clean up portions of the former Schuylkill Navigation Company canal basin and the adjacent Schuylkill more

  • Turnpike Comm. (PA) Engineering, Cross-Section, Plan, Profile Drawings, 1939-1964

    This collection contains original drawings executed in the field relating to rights-of-way and grading of the Original Section of the Pennsylvania Turnpike and its subsequent extensions. more

  • Turnpike Comm. (PA) Engineering, Field Survey Notebooks, 1938-1971

    This collection contains notebooks executed in the field for the construction of the Turnpike, and is arranged by construction contract number, the volumes chronicle the planning more