Colorado. Real estate Several Colorado land developers under federal investigation. Post S 4, 1974 p.25 -Edit. in favor of Dale Tooley's proposed bill on "assumption clause" which would restore common law doctrine for home owners and purchasers. Cervi's Journal 0 9, 1974 p.1 Battle rages on "assumption clause" in mortgage contracts which can be disadvantage to consumer. Cervi's Journal 0 9, 1974 p.1,5 Last of a series dealing with risky real estate investments. Post 0 15, 1974 p.36 0