Title Genres Topics Date (Start) Date (End)
Burt Gresham letter to Philip DuMont regarding Goose migration, April 9, 1938 Correspondence Field notes Surveys (documents) Bird watching Birds--Counting Birds--Migration 1938-04-09 N/A
Big Bluestem Flyer, Volume 27, Numbers 4/5, December 1991/January 1992 Forms (documents) Newsletters Bird feeders Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Wildlife conservation Natural areas Waterfowl Books--Reviews Prairie restoration 1991-12-01 1992-01-31
Big Bluestem Flyer, Volume 27, Number 3, November 1991 Newsletters Bird surveys Bird watching Birds--Counting Anseriformes | Ducks, Geese, and Swans Ornithology--Societies, etc Natural areas Books--Reviews 1991-11-01 1991-11-30
Big Bluestem Flyer, Volume 26, Number 6, February 1991 Newsletters Bird surveys Bird watching Birds--Counting Accipitridae | Hawks and Eagles Local government and environmental policy Ornithology--Societies, etc 1991-02-01 1991-02-28
Big Bluestem Flyer, Volume 25, Number 5, January 1991 Newsletters Bird surveys Bird watching Birds--Counting Local government and environmental policy Ornithology--Societies, etc 1991-01-01 1991-01-31
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
Big Bluestem Flyer, Volume 24, Number 6, February 1990 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Acid rain 1990-02-01 1990-02-28
Big Bluestem Flyer, Volume 24, Number 4, December 1989 Newsletters Bird surveys Bird watchers Bird watching Birds--Counting Birds--Identification Ornithology--Societies, etc 1989-12-01 1989-12-31
Big Bluestem Flyer, Volume 23, Number 6, February 1989 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Strigiformes | Owls Waterfowl Books--Reviews Acid rain 1989-02-01 1989-02-28
Big Bluestem Flyer, Volume 23, Number 4, December 1988 Newsletters Bird surveys Bird watching Birds--Counting Birdsongs Ornithology--Societies, etc Acid rain 1988-12-01 1988-12-31
Big Bluestem Flyer, Volume 22, Number 6, February 1988 Newsletters Bird surveys Bird watchers Bird watching Birds--Counting Accipitridae | Hawks and Eagles Ornithology--Societies, etc Piciformes | Woodpeckers and allies Strigiformes | Owls 1988-02-01 1988-02-29
Big Bluestem Flyer, Volume 22, Number 4, December 1987 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Strigiformes | Owls Acid rain 1987-12-01 1987-12-31
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
Field notes and Peter C. Petersen letter to James J. Dinsmore, July 28, 1986 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Food Birds--Identification Birds--Nests Birds--Infancy 1986-07-28 N/A
Philip DuMont letter to Burt Gresham regarding Goose migration, April 4, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-04-04 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-01 1938-03-31
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 18, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-18 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1936-03-01 1936-05-31
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration, Spring 1933 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1933-03-01 1933-05-31
Field notes contributed by James L. Hansen, spring 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Nests 1986-03-01 1986-05-31
Field notes contributed by Hank Zaletel, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Infancy 1986-06-01 1986-07-31
Field notes contributed by Thomas J. Staudt, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birdsongs 1986-06-01 1986-07-31
Field reports form for submitting seasonal observations of Iowa birds, James P. Sandrock, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birdsongs 1986-06-01 1986-07-31
Field reports form for submitting seasonal observations of Iowa birds, Mark Proescholdt, summer 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birdsongs Parulidae | Warblers Birds--Infancy 1986-06-01 1986-07-31