Title Genres Topics Date (Start) Date (End)
Winter of 1974-75, Red Rock area and Pleasantville, Iowa field notes, and Snowy Owl reports Clippings (information artifacts) Correspondence Field notes Maps (documents) Bird kills Bird watching Birds--Research Ornithology--Methodology Weather 1974-12-01 1975-02-28
Field notes and map from Michael C. Newlon, Iowa City area, winter 1974-1975 Field notes Maps (documents) Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Fringillidae | Finches Water birds 1974-12-01 1975-02-28
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Iowa Snowy Owls, 1976-1977 contributed by Gladys Black Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
Iowa map with Snowy Owl sightings, 1976-1977 Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, February 22, 1978 Correspondence Field notes Maps (documents) Bird watching Birds--Research 1978-02-22 N/A
Winter raptor survey, 1978 Maps (documents) Reports Bird watching Birds of prey Birds--Habitat Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Strigiformes | Owls 1978-12-01 1978-12-31
Maps of Adair County and Ringgold County with Loggerhead Shrike nest locations observed by David DeGeus, summer 1987 Correspondence Field notes Maps (documents) Bird watching Birds--Identification Birds--Nests Birds--Research 1987-06-01 1987-07-31
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Annotated copy of Polk County check-list of the observations of members of the Des Moines Audubon Society, 1959 Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1949-06-05 1973-04-17