Monte Vista national wildlife refuge Good description. Post Roundup S 17, 1972 p.31 Changing ecology of San Luis Valley having impact on migratory birds. Post 0 26, 1975 p.24 Nesting grounds for baby whooping cranes and their foster sandhill crane parents. RMN 0 19, 1975 p.5 Colorado's oldest federal wildlife refuge, is threatened by lack of water. RMN 0 25, 1975 p.5,36 Charles (Pete) Bryant retiring after 23 years as manager, feature on his accomplishments over the years. Post Mr 28, 1976 p.20