Title Genres Topics Date (Start) Date (End)
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
Walter Rosene letter to Philip DuMont regarding Iowa weather, February 12, 1929 Correspondence Bird watching Nature photography Weather 1929-02-12 N/A
List of bird sighted in Boone County on May 14, 1933 Field notes Research notes Bird watching Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Weather Emberizidae | Sparrows 1933-05-14 N/A
Field notes contributed by John Van Dyk, March 2, 1982 Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Phasianidae | Pheasants, Turkeys, and Grouse Weather 1982-03-02 N/A
National Audubon Society checklist, Karen Drews, January 6 1986 Checklists Field notes Bird watching Birds--Counting Weather 1986-01-06 N/A
Field notes contributed by Barbara L. Wilson, winter 1983-1984 Correspondence Field notes Bird kills Bird watching Weather 1983-12-01 1984-02-28
Field notes contributed by Conrad F. Schlemmer, Council Bluffs, Iowa, winter 1983-1984 Correspondence Field notes Bird watching Weather 1983-12-01 1984-02-28
Field notes with additional documentation contributed by Barbara L. Wilson, winter 1981-1982 Field notes Bird declines Bird kills Bird watching Birds--Behavior Birds--Counting Birds--Identification Weather 1981-12-01 1982-02-28
Field notes contributed by Betty Walters, February 24, 1982 Field notes Forms (documents) Bird watching Weather 1982-02-24 N/A
Field notes, winter 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-02-01 1963-02-28
Field notes contributed by Beth Proescholdt, winter 1981-1982 Field notes Bird watching Weather 1981-12-01 1982-02-28
Field notes contributed by Carl J. Bendorf, winter 1981-1982 Field notes Bird watching Weather 1981-12-01 1982-02-28
Iowa Ornithologists' Union, Quarterly field report, fall 1981 Field notes Bird watching Weather 1981-08-01 1981-11-30
1979 Christmas bird count for the state of Iowa Field notes Reports Bird watching Birds--Counting Birds--Habitat Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Weather 1979-12-01 1980-02-28
Field notes contributed by John Van Dyk, March 1, 1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1980-03-01 N/A
Field notes contributed by Conrad F. Schlemmer, winter 1979-1980 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Weather 1979-12-01 1980-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1979-1980 Field notes Bird watching Birds--Counting Birds--Habitat Birds--Research Ornithology--Methodology Weather 1979-12-01 1980-02-28
Field report, summer, June 1 through July 31, 1977 Field notes Bird watching Birds--Habitat Birds--Research Weather 1977-06-01 1977-07-31
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-12-08 N/A
Audubon field notes, fall migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-08-01 1963-11-30
Audubon field notes, summer migration, 1963 Field notes Bird watching Birds--Research Ornithology--Methodology Weather 1963-06-01 1963-07-31