Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, Quarterly field report, winter 1966 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1966-12-01 1967-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1966-1967 Field notes Bird populations Bird watching Birds--Research Winter 1966-12-01 1967-02-28
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Iowa Ornithologists' Union, Quarterly field report, summer 1967 and Audubon field notes for Iowa, summer 1967 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Laniidae | Shrikes Parulidae | Warblers 1967-06-01 1967-07-31
Iowa Ornithologists' Union, Quarterly field report, fall 1967 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-08-01 1967-11-30
Iowa Ornithologists' Union, Quarterly field report, winter 1967-1968 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-12-01 1968-02-28
Photograph of Wood Duck houses in trees Photographs Birds--Research Birdhouses 1971-05-01 1971-05-31
Photograph of a Wood Duck duckling diving from a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of a Wood Duck duckling in a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of a mother Wood Duck diving from a duck house Photographs Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of a mother Wood Duck in a duck house Photographs Birds--Habitat Birds--Research Birdhouses Wood duck--Behavior 1971-07-01 1971-07-31
Photograph of three hatching Wood Duck eggs Photographs Birds--Eggs Birds--Research 1971-07-01 1971-07-31
Red-shouldered Hawk sighting notes Field notes Research notes Bird watching Birds--Geographical distribution Birds--Research 1970-01-01 1971-12-31
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
Red Rock Lake, Red Rock Refuge, Iowa, spring 1973 Field notes Bird watching Birds--Nests Birds--Research Environmental monitoring 1973-03-01 1973-05-31
Lake Red Rock and Red Rock Refuge, fall migration, 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
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
Iowa Ornithologists' Union, Quarterly field report, fall 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Letter from Robert Jessen to Vernon M. Kleen regarding birds sighted near Oskaloosa, summer 1974 Correspondence Field notes Bird watching Birds--Nests Birds--Research Troglodytidae | Wrens 1974-06-01 1974-07-31
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
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
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
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-03-01 1975-05-31
Spring records for birds sighted in the Iowa City area, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Parulidae | Warblers 1975-03-01 1975-05-31
Iowa 1975 spring migration, Red Rock Refuge and Lake Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Rare birds 1975-03-01 1975-05-31