Hydrology II in Upper Darby, PA
Feb 3-14, 1969
Picture provided by Owen Lee
Front Row: Richard T. Barlow, Somerset, NJ; C. E. Bouchard, Orono, ME; D. L. Camper, Wausau, WI; J. R. Golden, Essex Junction, VT; L. R. Green, Morgantown, WV.

Center Row: Vince McKeever, Upper Darby, PA; F. Keeter, Princeton, WV; Owen P. Lee, Champaign, IL; C. B. VanVliet, Dayton, OH; G. E. Lorenz, Viroqua, WI; William H. Sammons, Hyattsville, MD.

Back Row: J. H. Marter, Madison, WI; E. A. Mc Hugh, Upper Darby, PA; A. R. Taylor, Upper Darby, PA; L. A. Leland, Amherst, MA; W. R. Folsche, Upper Darby, PA.