Land use. Colorado Denver REGIONAL Council of Governments use mail ballot for adoption of controversial land use plan. RMN Je 19, 1974 p.11,12 Colorado Land Use Commission may use Grand Valley, Co. to test Colorado's land use law. RMN Je 29, 1974 p.22 Effect of lobbying on recently passed land use bill. RMN Je 29, 1974 p.22 Sundance Hills Homeowners Association successful sult against developer and county cot-missioners will affect enforcement of land use laws. RMN Jy 22, 1974 p.8,14