Progress Evaluation Meeting: Pollution of Lake Erie and its Tributaries -Indiana, Michigan, New York, Ohio, Pennsylvania, June 4, 1968, Cleveland, Ohio. Proceedings.

Cover title.

Modern installation for testing of large assemblies under static and fatigue loading. Description of installation at Fritz Engineering laboratory, Lehigh University, Bethlehem, Pennsylvania,

"Not for publication."

Report on dynamic tests of a 55 ft. [Amdek bridge] member for Concrete Products of America Division, American-Marietta Company, Pottstown, Pennsylvania.

Mode of access: Internet.

Geologic screening report for evaluation of eastern gas shales in Pennsylvania /

Cover title: Evaluation of Devonian shale potential in Pennsylvania.

A bibliography of the Dutch elm disease,

"A revised and expanded edition of a similar list mimeographed in February 1935."

Standards for sewage works : Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, New York, Ohio, Pennsylvania, Wisconsin.

"Prepared by the Committee on Development of Uniform Standards for Sewage Works for the Upper Mississippi and Great Lakes Boards of Public Health Engineers".

Annual report of the Pennsylvania Department of Agriculture.

"Report of Pennsylvania Forestry Commission", published in 1896: 1895, pt. 2.

John Holtrop's English and Dutch dictionary,

Mode of access: Internet.

Mrs. Royall's Pennsylvania, or, Travels continued in the United States /

The author's third series of American travel. It was preceded by "Sketches of history, life and manners in the United States" 1826, and "The black book, or A continuation of travels in the United States" 1828-1829.

Centennial history of the Pennsylvania Railroad Company, 1846-1946,

Mode of access: Internet.

Available sources for the study of problem economics in Western Pennsylvania,

Mode of access: Internet.

Water resources of the Pittsburgh area, Pennsylvania,

Mode of access: Internet.

Guidebook of field trips, eighteenth annual field Conference of Pennsylvania Geologists, Sussex County, New Jersey.

Host organization: Bureau of Geology and Topography, New Jersey Dept. of Conservation and Economic Development.

Tocks Island Lake development : a comprehensive evaluation of environmental quality : Delaware River Basin Tocks Island Lake, Pennsylvania, New York, Delaware Water Gap ... Kittatinny Mountain Project ... /

Cover title.

Comparative views of the most important anthracite collieries in Pennsylvania.

Mode of access: Internet.