Google Analytics Category: » Environmental Protection, Department of - Power Library

Environmental Protection, Department of (2 collections)

  • Anthracite Mine Certification Records for Foremen and Assistant Foremen, 1886-1968

    Images of three types of certification recordings for mine foremen and assistant foremen: certificate books, certificate receipt books, and registers. The certificate books contain copies of more

  • 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