DENVER . CONVENTION COMPLEX REDEVELOPMENT Hensel Phelps Construction Company of Greeley and the Alvarado Construction Company also bidders for Convention,Center. ^ My 3, 1986 p.10 Mayor and council president agree on convention lex site. RMN Ap 30, 1986 p.12 Hotel tied to new convention center now called "negotiable". FM My 29, 1986 p.6,9 Endorsed by Council for Convention Center. F5V Je 10, 1986 p.7 0