Witkin homes, incorporated Witkins Homes is heading for best sales year in its history with $53 million reported to date. RMN S 10, 1977 p.87 Buys 700 acre Aurora tract at E. Quincy and Tower Road to develop as Summer Valley Ranch. Post Ap 30, 1978 p.11G Talking townhouse makes debut at Mill Run subdivision of Summer Valley Ranch ib Arapahoe County. Post Ag 5, 1979 sec.D