Minutes for the Breeding Bird Atlas meeting, May 4, 1993. Also includes data on bird sightings by species and several maps. These documents were used for the Iowa Ornithologist's Union's Breeding Bird Atlas project.
Winter raptor survey, 1978, by Dean M. Roosa, Paul Bartlett, and Darwin Koenig, published in December 1978 by the Iowa Preserves Board and the Iowa Conservation Commission. This survey is a formal report of sightings, population, and other information related to Raptors in the state of Iowa. This item was used as supporting documentation for the Iowa Ornithologists' Union Quarterly field report of Winter 1976-1977.