Title Genres Topics Date (Start) Date (End)
Field reports, Jan L. Walter, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, John Van Dyk, fall 1990 Correspondence Field notes Bird declines Bird watching Birds--Identification Rare birds Parulidae | Warblers Weather 1990-08-01 1990-12-01
Field reports, Douglas Rose, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Diane C. Porter, fall 1990 Field notes Bird watching Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Matt Kenne, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Ann Johnson, fall 1990 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Podicipediformes | Grebes Rare birds Vireonidae | Vireos Parulidae | Warblers Weather 1990-08-01 1990-11-30
Field reports, Rita E. Efta, fall 1990 Field notes Forms (documents) Bird feeders Bird watching Birds--Behavior Birds--Counting Birds--Identification Weather 1990-08-01 1990-11-30
Field reports, Gordon Brand, fall 1990 Field notes Bird watching Birds--Identification Passeriformes | Perching-birds and songbirds Rare birds Weather 1990-08-01 1990-11-30
Field reports, Tim Schantz, summer 1990 Field notes Bird watching Birds--Identification Rare birds Weather 1990-07-17 1990-07-18
Fourth Supplementary Breeding Bird Census of Big Sand Mound Nature Preserve, July 1990 Field notes Reports Bird watching Birds--Behavior Birds--Breeding Birds--Identification Birds--Migration Birds--Nests Weather 1990-07-01 1990-07-31
Field reports, Gordon J. Brand, 1990 Field notes Bird watching Birds--Nests Water birds Weather 1990-06-16 1990-07-27
Field reports, Thomas Kent, summer 1990 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-29
Field reports, Sharon Laub, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1990-06-01 1990-07-31
Field reports, Douglas L. Rose, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Eggs Birds--Identification Birds--Nests Photography of birds Rare birds Weather 1990-06-01 1990-07-31
Field reports, Matthew Kenne, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Birds--Migration Birds--Nests Rare birds Weather 1990-06-01 1990-07-31
Field reports, Jan L. Walter, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-31
Barb Wilson letter to Jim Dinsmore regarding bird sightings for IOU quarterly field reports, summer 1990 Correspondence Field notes Bird watching Birds--Identification Accipitridae | Hawks and Eagles Mimidae | Mockingbirds, Catbirds, Thrashers, and Tremblers Rare birds Weather 1990-06-01 1990-07-31
Field reports, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Mary Jo Hartogh, summer 1990 Field notes Bird watching Birds--Identification Birdsongs Weather 1990-06-01 1990-07-31
Field reports, Tanya E. Bray, summer 1990 Field notes Bird watching Birds--Behavior Birds--Habitat Rare birds Weather 1990-06-01 1990-07-31
John Van Dyk letter to Carl J. Bendorf regarding field reports for the IOU quarterly field report, December 1, 1989 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Parulidae | Warblers Weather 1989-12-01 N/A
Field reports, Jon Stravers, fall 1989 Field notes Bird watching Birds--Identification Weather 1989-10-07 1989-10-31
Iowa Ornithologists' Union, Quarterly field report, fall 1989 Field notes Bird watching Birds--Counting Laridae | Gulls and Terns Stercorariidae | Jaegers Charadriiformes | Shore-birds, Gulls, and Auks Weather 1989-08-01 1989-11-30
Field reports, several observers, fall 1989 Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Weather 1989-08-01 1989-11-30
Field reports, Gordon James Brand, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Weather 1989-08-01 1989-11-30