Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at the Red Rock Refuge and Pleasantville, Iowa area, August 15, 1973 Correspondence Field notes Bird watching Birds--Habitat Habitat (Ecology) 1973-08-15 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during May-July 1973 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Habitat Rare birds 1973-05-01 1973-07-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during winter 1972-1973, including rare birds, March 20, 1973 Correspondence Field notes Bird populations Bird watchers Bird watching Birds--Habitat Birds--Migration Ornithology--Methodology Rare birds Country life 1973-03-20 N/A
Red Rock Reservoir spring migration, May 29, 1974 Field notes Bird watching Birds--Habitat Birds--Migration Habitat (Ecology) 1974-05-29 N/A
Letter from Ross Silcock to Iowa Ornithologists' Union regarding bird sightings and locations, August 11, 1976 Correspondence Field notes Bird watching Birds--Breeding Birds--Habitat 1976-11-08 N/A
Records Committee review for rare bird sighting for Gray Jay east of Decorah in 1976 Administrative records Clippings (information artifacts) Field notes Photographs Bird feeders Birds--Geographical distribution Birds--Habitat Birds--Identification Rare birds 1977-01-15 1994-02-04