Title Genres Topics Date (Start) Date (End)
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, 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, Pam and Reid Allen, fall 1990 Field notes Bird watching Birds--Identification Rare birds 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, 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 Iowa fall 1990 Field notes Bird watching Birds--Identification 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
Field reports, Darwin Koenig, summer 1990 Field notes Bird watching 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, Hank Zaletel, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 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, 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, Susan Spieker, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1990-06-01 1990-07-31
Field reports, Darwin Dean Mosman, summer 1990 Field notes Bird watching Birds--Breeding Birds--Identification Birds--Nests 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
Field reports, Mark Proescholdt, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 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, Diane C. Porter, summer 1990 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 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, Peter C. Petersen, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 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, 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, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Rare birds 1990-06-01 1990-07-31
Field reports, Curt Nelson, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31