CE3309 GROUP PRESENTATIONS, Spring 1999 Underwater Concrete by S. Kelly, K. Johnson, C. Guthrie, J. Mitchell, and C. Eaker Recycling Portland Cement Concrete by B. Basquin, B. Cooper, B. Summers, D. Maijala, and G. Nichols History of Concrete by C. Huba, D. Humphries, S. Lance, and M. Liverman Use of Waste Materials in Asphalt Concrete Pavements by A. Booth, A. Bandela, R. Burchett, C. Spencer, and A. Sthapit Use of Steel in Residential Construction by Geoff Hutcherson, Patrick Tse, Joe Crooms, and Truc Nguyen Polymers in Concrete by Kris Erwin, Tony Horos, and Lamar Rogers Geosynthetic Materials by Ben Brandstetter, Alicia Hodler, Jen Lepkowski, Larra Newman, Catherine Sims, and Greg Sportsman Wood Type Characteristics by Britton Evans