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Bed load -- Pennsylvania -- Somerset County. : Total nitrogen and suspended-sediment loads and identification of suspended-sediment sources in the Laurel Hill Creek watershed, Somerset County, Pennsylvania, water years 2010-11 / by Ronald A. Sloto, Allen C. Gellis, and Daniel G. Galeone ; prepared in cooperation with the Somerset County Conservation District.
Bench-marks -- Pennsylvania. : Results of spirit leveling in Pennsylvania, 1899 to 1911, inclusive / R.B. Marshall ; work done in cooperation with the State.
Benthos -- Pennsylvania -- Chester County. : A benthic-macroinvertebrate index of biotic integrity and assessment of conditions in selected streams in Chester County, Pennsylvania, 1998-2009 / by Andrew G. Reif ; prepared in cooperation with the Chester County Water Resources Authority.
Pennsylvania -- Bibliography. : Writings on Pennsylvania history; a bibliography : A list of secondary materials / compiled under the auspices of the Pennsylvania Historical Association, by Arthur C. Bining, Robert L. Brunhouse [and] Norman B. Wilkinson.
Biological laboratories -- Pennsylvania -- Pittsburgh -- Management. : Biobanking : how the lack of a coherent policy allowed the Veterans Administration to destroy an irreplaceable collection of Legionella samples : hearing before the Subcommittee on Investigations and Oversight, Committee on Science and Technology, One Hundred Tenth Congress, second session, September 9, 2008.
Birds -- Pennsylvania -- Erie County. : Great Lakes avian radar technical report. Lake Erie shoreline. Erie County, Ohio and Erie County, Pennsylvania / authors: Rebecca Horton [and five others] ; U.S. Fish & Wildlife Service, Region 3.
Borings -- Pennsylvania -- Bucks County. : Interpretation of borehole geophysical logs at Area C, former Naval Air Warfare Center, Warminster Township, Bucks County, Pennsylvania, 2007 / by Ronald A. Sloto ; in cooperation with the U.S. Navy.
Botany -- Pennsylvania. : Plant colonization studies on black wastes from anthracite mining in Pennsylvania / J.R. Schramm.
Breast -- Radiography -- Pennsylvania. : Mammography : hearings before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Fifth Congress, first session, special hearings, February 5, 1997--Washington, DC ; February 20, 1997--Philadelphia, PA ; February 24, 1997--Pittsburgh, PA ; March 3, 1997--Hershey, PA.
Brownfields -- Cleaning -- Pennsylvania -- Allentown. : Technical memorandum Brownfields Sustainability Pilot : the Waterfront, Allentown, PA / prepared for U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Office of Brownfields and Land Revitalization ; prepared by Tetra Tech EM Inc.
Business enterprises -- Pennsylvania -- Employees -- Insurance requirements. : Health care : challenges facing Pennsylvania's workers and job creators : field hearing before the Subcommittee on Health, Employment, Labor and Pensions, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Twelfth Congress, second session, hearing held in Butler, PA, February 22, 2012.
Census undercounts -- Pennsylvania -- Philadelphia -- Prevention. : Making the census count in urban America : hearing before the Federal Financial Management, Government Information, Federal Services, and International Security Subcommittee of the Committee on Homeland Security and Governmental Affairs, United States Senate of the One Hundred Eleventh Congress, first session, field hearing in Philadelphia, Pennsylvania, May 11, 2009.
Chemical spills -- Pennsylvania -- New Brighton. : Derailment of Norfolk Southern Railway Company Train 68QB119 with release of hazardous materials and fire, New Brighton, Pennsylvania, October 20, 2006 / National Transportation Safety Board.