1970s
Knoedler, Bob
September 29 1934
Lozier, J. S.
March 27 1957
Steinbrecher, Harold F.
March 25 1986
Sidwell Company
June 15 1955
Howard T. Fisher & John D. Randall Associates, Inc.
August 1984
Sheaffer and Roland, Inc.
September 11 1986
C. Edward Ware Associates, Inc.
April 25 1986
C. Edward Ware Associates, Inc.
September 23 1957
Robert E. Hattis Engineers, Inc.
September 23 1957
Robert E. Hattis Engineers, Inc.
circa 1988
Tyznik, Anthony
December 7 1989
Steinbrecher Jr., Harold F.
circa 1990
Tyznik, Anthony
circa 1990
Tyznik, Anthony
circa 1987
Tyznik, Anthony