Title Genres Topics Date (Start) Date (End)
Field reports, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Rare birds 1990-06-01 1990-07-31
Field reports, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks 1990-06-01 1990-07-31
Field reports, Marietta Petersen, summer 1990 Field notes Bird watching Birds--Identification Passeriformes | Perching-birds and songbirds 1990-06-01 1990-07-31
Field reports, Peter C. Petersen, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
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, Diane C. Porter, summer 1990 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 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
Field reports, Mark Proescholdt, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 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, Tim Schantz, summer 1990 Field notes Bird watching Birds--Identification Rare birds Weather 1990-07-17 1990-07-18
Jim Sinclair letter to Jim Dinsmore regarding summer field reports for IOU quarterly field reports for summer 1990, July 31, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Nests 1990-07-31 N/A
Field reports, Susan Spieker, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 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, Hank Zaletel, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Steve Lekwa, summer 1990 Field notes Bird watching Birds--Identification 1990-07-13 1990-07-14
Field reports, Darwin Koenig, summer 1990 Field notes Bird watching Birds--Identification 1990-06-01 1990-07-31
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
Field reports Iowa fall 1990 Field notes Bird watching Birds--Identification 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, Hank Zaletel, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-08-01 1990-11-30
Field reports, Pam and Reid Allen, fall 1990 Field notes Bird watching Birds--Identification Rare birds 1990-08-01 1990-11-30
Field reports, Eugene and Eloise Armstrong, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1990-08-01 1990-11-30
Field reports, Dick Bierman, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-08-01 1990-11-30
Field reports, Tanya E. Bray, fall 1990 Field notes Bird watching Birds--Identification Rare birds 1990-08-01 1990-11-30