Title Genres Topics Date (Start) Date (End)
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, Douglas C. Harr, spring 1991 Field notes Forms (documents) Bird watching Birds--Identification Birds--Migration Rare birds Weather 1991-03-01 1991-05-31
Field reports, Bery Engebretsen, spring 1991 Field notes Animal migration--Climatic factors Birds--Identification Rare birds Weather 1991-03-01 1991-06-01
Field reports, Dennis Carter, spring 1991 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Rare birds Weather 1991-03-01 1991-06-01
Herbert F. Wiese letter to Stephen Dinsmore regarding bird sightings for IOU quarterly field reports of spring 1991, March 12, 1991 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Weather 1991-03-12 N/A
Field reports, Carol Ann Alexander, spring 1991 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Identification Birds--Migration Rare birds Weather 1991-03-01 1991-05-31
Iowa Ornithologists' Union, Quarterly field report, spring 1991 Field notes Birds--Behavior Birds--Counting Birds--Identification Birds--Migration Rare birds Weather 1991-03-01 1991-05-31
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, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
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
Iowa Ornithologists' Union, Quarterly field report, fall 1990 Field notes Bird watching Birds--Counting Birds--Identification Ornithology--Methodology Weather 1990-08-01 1990-11-30
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, Jan L. Walter, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Tim Schantz, summer 1990 Field notes Bird watching Birds--Identification Rare birds Weather 1990-07-17 1990-07-18
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
Carl Priebe letter to Jim Dinsmore regarding bird sighting for the IOU quarterly field report summer 1990, August 6, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Weather 1990-08-06 N/A
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, Sharon Laub, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1990-06-01 1990-07-31
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, 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