Title Genres Topics Date (Start) Date (End)
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, 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
Field reports, Hank Zaletel, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 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
Field reports, Ray Cummins, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1990-08-01 1990-11-30
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, Jim Sinclair, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-08-01 1990-11-30
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, Mark Proescholdt, fall 1990 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Threskiornithidae | Ibises Rare birds 1990-08-01 1990-11-29
Field reports, Randall Pinkston, fall 1990 Checklists Field notes Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Rare birds 1990-08-01 1990-11-25
Field reports, Peter C. Petersen, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Parulidae | Warblers 1990-08-01 1990-11-30
Field reports, Sharon Laub, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Rare birds 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, Marjorie Heusinkveld, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Habitat Birds--Identification Rare birds 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, Jane Clark, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-08-01 1990-11-30
Field reports, Bob Cecil, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Threskiornithidae | Ibises 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, 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, Hank Zaletel, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting 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
Big Bluestem Flyer, Volume 25, Number 4, December 1990 Forms (documents) Newsletters Bird feeders Bird surveys Bird watching Birds--Counting Local government and environmental policy Ornithology--Societies, etc Wildlife conservation Acid rain 1990-12-01 1990-12-31
Iowa Birdline update, December 19, 1990-January 2, 1991 Correspondence Field notes Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1990-12-19 1991-01-02