Bituminous Mine Certification Records for Assistant First and Second Grade Foremen, 1923-1963
Images of certification registers for the Assistant First and Second Grade Foremen. Information provided about each foreman includes name, place of birth, place of residence, age, more
Bituminous Mine Certification Records for Electricians, 1939-1963
Images of certification records created to comply with registration, training, and examination standards for foremen specified in the act of June 9, 1911. Information is presented more
Bituminous Mine Certification Records for Fire Boss Examiners, 1912-1963
Images of certification records created to comply with registration, training, and examination standards for foremen specified in the act of June 9, 1911. The first nine more
Bituminous Mine Certification Records for First Grade Foremen, 1903-1963
Images of certification books required to be kept of foremen under statutes designed to protect the health and safety of persons employed in and about bituminous more
Bituminous Mine Certification Records for Second Grade Foremen, 1903-1963
Images of certification books that were required to be kept of foreman to comply with statutes that provided for the health and safety of persons employed more
Index Stubs and Cards to Miners’ Certificates, 1937-1988
This group of certificate stubs and cards is grouped into four separate batches as follows: Miners' Certificate Cards and Stubs, which date from 1937 and 1938; more
Internal Improvements File, 1790-1902
Images of records relating to the construction of bridges, canals, river improvements, roads and turnpikes, public buildings and their grounds. Records cover the following date spans more
Meeting Minute Books, 1937-1958, 1965-1969, 1978-1989
Images depicting the documentation of actions of the Pennsylvania Turnpike Commission, recording decisions made during Commission meetings. Topics include: resolutions; legal issues; expansions, including the Philadelphia, 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
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