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Duffield Associates' Brochure 2009 Duffield Associates Wins National Award Postcard 2008 Engineering Excellence Conceptor Award Postcard "Taking the Pain Out of Permitting,"
(2009) Engineering Inc. Magazine Featuring Duffield
Associates' Chairman Jeffrey M. Bross
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"Modifying Traditional Stream Stabilization Techniques Based on Project Needs," (2011) Douglas Janiec, M.S., Land and Water "Sustainability Means Business. Do Something. Start Now." Guy F. Marcozzi Co-Author, ASFE Practice Alert "Repair of an Historical Monument," (2005) Michael J.Paul, P.E., LEED AP, Concrete International "Carving Out a Capstone," (2005) Michael J.Paul, P.E., LEED AP, Journal of Professional Issues in Engineering Education and Practice "ASFE White Paper, 2000-2010: As We See It," (1998), Guy F. Marcozzi Co-Author, ASFE "Tennis Court Pavement and Repairs," (1997) James F. Cloonan, P.E. and Jonathan W. Husband, Public Works "Rising Out of the River," (1995) Deidre S. Smith (Duffield Associates) and Scott A. Fritzinger (USACE), Civil Engineering Magazine "Historic Lighthouse Rehabbed," (1989) Michael J.Paul, P.E., LEED AP, Concrete International "Performance of Prefabricated Drains in Soft Soils" (1988) R. David Charles, P.E., Second International Conference on Case Histories in Geotechnical Engineering "Brandywine Shoal Lighthouse," Michael J.Paul, P.E., LEED AP, Concrete International "Performance
of Vertical Wick Drains in Soft Soils, Northern Solid Waste Facility-1,
New Castle, Delaware" (1984), R. David Charles, P.E.,
Ohio River Valley Soils Seminar XV, Drainage |
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Georgetown,
DE
Philadelphia, PA Carlisle,
PA Cape
May Court House, NJ North
East , MD