Development of a digital model of ground-water flow in deeply weathered crystalline rock, Chester County, Pennsylvania /

"August 1980."

Effects of strip mining the abandoned deep Anna S Mine on the hydrology of Babb Creek, Tioga County, Pennsylvania /

Bibliography: p. 41.

Assessment of the impacts of the national flood insurance program on highways : final report /

Mode of access: Internet.

Criteria for abandoned mine reclamation : regional planning to develop project guidelines in the Blacklick Creek watershed, Pennsylvania /

Includes bibliographical references.

Farm-mortgage lending experience of twenty-three life insurance companies, the Federal land banks, and the Farmers Home Administration, October through December 1959 /

"ARS 43-122."

Unemployment insurance occasional paper.

Vols. for 1977-78 have no designation but constitute the first sixteen numbers.

Delaware River watershed: New York, Pennsylvania, New Jersey, Delaware and Maryland. Program for run-off and waterflow retardation and soil erosion prevention.

Report includes appendices, survey report.

Report of the Superintendent of Public Instruction of the Commonwealth of Pennsylvania, for the year ending ...

At head of title, 1874/75-1900: Common schools of Pennsylvania.

Agriculture of Pennsylvania /

Issued in the series of documents of the General Assembly.

Child welfare work in Pennsylvania;

Mode of access: Internet.

Report on the school plant survey and the school building program for City of Reading, Berks county, Pennsylvania ...

Mode of access: Internet.

Forest protection laws of Pennsylvania.

Mode of access: Internet.

Annual report of the Department of Insurance.

Mode of access: Internet.

Insurance directory.

Mode of access: Internet.

Annual report of the Secretary of Internal Affairs of the Commonwealth of Pennsylvania.

State printer varies.