Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, field report compiled data, Canada Goose, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-08-03 1983-07-31
Iowa Ornithologists' Union, field report compiled data, Ross' Goose, 1982-1983 Field notes Bird watching Birds--Counting Birds--Research 1982-11-04 1983-03-31
Iowa Ornithologists' Union, field report compiled data, Snow Goose, 1963-1983 Field notes Bird watching Birds--Counting Birds--Research 1963-08-28 1983-07-22
Iowa Ornithologists' Union, field report compiled data, Marbled Godwit, 1960-1983 Field notes Bird watching Birds--Counting Birds--Research 1960-04-17 1983-05-16
Iowa Ornithologists' Union, field report compiled data, Hudsonian Godwit, 1964-1983 Field notes Bird watching Birds--Counting Birds--Research 1964-10-18 1983-05-30
Iowa Ornithologists' Union, field report compiled data, Common Goldeneye, 1954-1983 Field notes Bird watching Birds--Counting Birds--Research 1954-05-10 1983-05-26
Iowa Ornithologists' Union, field report compiled data, American Goldfinch, 1981-1982 Field notes Bird watching Birds--Counting Birds--Research Birds--Infancy 1981-09-01 1982-09-29
Iowa Ornithologists' Union, field report compiled data, Northern Goshawk, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-17 1983-12-18
Iowa Ornithologists' Union, field report compiled data, Common Grackle, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-11-17 1983-02-27
Iowa Ornithologists' Union, field report compiled data, Western Grebe, 1938-1983 Field notes Bird watching Birds--Counting Birds--Research 1938-03-29 1983-05-19
Iowa Ornithologists' Union, field report compiled data, Eared Grebe, 1983 Field notes Bird watching Birds--Counting Birds--Research 1983-04-13 1983-06-16
Iowa Ornithologists' Union, field report compiled data, Horned Grebe, 1928-1983 Field notes Bird watching Birds--Counting Birds--Research 1928-06-11 1983-04-24
Iowa Ornithologists' Union, field report compiled data, Pied-billed Grebe, 1979-1983 Field notes Bird watching Birds--Counting Birds--Research 1979-06-01 1983-06-19
Iowa Ornithologists' Union, Quarterly field report, spring 1997 Field notes Bird watching Birds--Research Ornithology--Societies, etc Weather 1997-03-01 1997-05-31
Iowa, spring 1997 documentations, June 11, 1997 Field notes Bird watching Birds--Counting Birds--Research Ornithology--Societies, etc Birds--Infancy 1997-06-11 N/A
Documentations, Spring 1993 Field notes Bird watching Birds--Research Ornithology--Methodology Photography of birds Rare birds 1993-06-12 N/A
Field reports, Spring 1993 Field notes Bird watching Birds--Research Ornithology--Methodology 1993-06-05 N/A
Spring 1993 late reports Field notes Bird watching Birds--Research Ornithology--Methodology 1993-06-09 N/A
Christmas bird count data report and W. Ross Silcock note to Thomas H. Kent, winter 1987-1988 Correspondence Field notes Birds--Research Ornithology--Methodology Ornithology--Societies, etc 1987-12-01 1988-02-28
Additional field notes from the Spirit Lake Christmas bird count compiled by Douglas C. Harr, December 19, 1987 Field notes Bird watching Birds--Identification Birds--Research Ornithology--Societies, etc 1987-12-19 N/A
James J. Dinsmore letter to field report contributors regarding field reports, August 18, 1986 Correspondence Bird watching Birds--Research 1986-08-18 N/A
Bruce G. Peterjohn letter to James J. Dinsmore regarding bird reports, August 17, 1986 Correspondence Field notes Birds--Research Photography of birds 1986-08-17 N/A
Photograph of a Wood Duck perched on a Wood Duck house Photographs Birds--Habitat Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31
Photograph of a Wood Duck house and an observation blind in front of Frederic Leopold's house Photographs Birds--Research Birdhouses 1960-01-01 1960-12-31