ALIENS. DENVER Operation Jobs proved not effective in Denver, 1982 U.S. Immigration And Naturalization Office to build short-term detention center for illegal aliens in Denver area, possibly in Erie, 1983 Care of illegal aliens at Denver GenerHospital may cost city $8 million, RMN Ap 9, 1983 p,1,19 2 soccer players and 4 others arrested as illegal aliens. RMN 0 25, 1983 p.12 0