Title Genres Topics Date (Start) Date (End)
Spring migration 1971, Red Rock Refuge and Pleasantville area, Marion County, Iowa Field notes Bird watching Birds--Migration 1971-03-01 1971-05-31
Field notes for spring season 1971 Correspondence Field notes Bird watching 1971-03-01 1971-05-31
Report from Red Rock Refuge and Lake area, Pleasantville, Iowa, winter season, December 1970-March 1971 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Weather 1970-12-01 1971-03-31
Audubon field notes, winter 1970-1971, and Woodward H. Brown letter to Vernon M. Kleen regarding reporting practices, March 29, 1971 Correspondence Field notes Bird watching Ornithology--Periodicals Publishers and publishing 1970-12-01 1971-03-29
Winter censuses, Ames, Iowa, January-March 1971 Field notes Charts (graphic documents) Bird watching Birds--Counting Birds--Migration 1971-01-16 1971-03-07
Audubon field notes, fall 1970 Field notes Bird watching Birds--Migration Weather 1970-08-01 1970-11-30
Compiled supporting documentation for the Iowa Ornithologists' Union, Quarterly field report, Spring 1970. Correspondence Field notes Bird watching Birds--Migration Weather 1970-03-01 1970-06-14
Iowa Ornithologists' Union, Quarterly field report, Fall 1969 Field notes Bird watching 1969-08-01 1969-11-30
Audubon field notes, fall 1969 Field notes Bird watching Birds--Migration Weather 1969-08-01 1969-11-30
Audubon field notes, summer 1969, and R.G. Cortelyou letter to Peter C. Petersen regarding a Western Tanager, August 7, 1969 Correspondence Field notes Bird watching 1969-06-01 1969-07-31
Audubon field notes, Spring 1969 Field notes Bird watching 1969-03-01 1969-05-31
Iowa Ornithologists' Union, Quarterly field report, Spring 1969 Field notes Bird watching 1969-03-01 1969-05-31
Iowa Ornithologists' Union, Quarterly field report, winter 1968-1969 Correspondence Field notes Bird watching 1968-12-01 1969-02-28
Audubon field notes, winter 1968-1969 Field notes Bird watching 1968-12-01 1969-02-28
Audubon field notes, summer 1968 Field notes Bird watching Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Phalaropus | Phalaropes Parulidae | Warblers Weather 1968-06-01 1968-07-31
Wilson's Phalaropes nesting in Northwest Iowa Field notes Photographs Bird watching Birds--Identification Birds--Nests 1968-06-01 1968-06-30
Iowa Ornithologists' Union, Quarterly field report, spring 1968 Field notes Bird watching Birds--Migration 1968-03-01 1968-05-31
Iowa Ornithologists' Union, Quarterly field report, winter 1967-1968 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-12-01 1968-02-28
Iowa Ornithologists' Union, Quarterly field report, fall 1967 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1967-08-01 1967-11-30
Iowa Ornithologists' Union, Quarterly field report, summer 1967 and Audubon field notes for Iowa, summer 1967 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Laniidae | Shrikes Parulidae | Warblers 1967-06-01 1967-07-31
Audubon field notes for spring 1967 contributed by Frederick W. Kent Clippings (information artifacts) Correspondence Field notes Bird watchers Bird watching Birds--Migration Birds--Research Parulidae | Warblers 1967-03-01 1967-05-31
Iowa Ornithologists' Union, Quarterly field report, winter 1966 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1966-12-01 1967-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1966-1967 Field notes Bird populations Bird watching Birds--Research Winter 1966-12-01 1967-02-28
Woodward H. Brown letter to Fred Kent about birding sightings for the fall and winter of 1966 and a Christmas Bird Count, January 4, 1967 Correspondence Field notes Bird feeders Bird watching Birds--Identification Rare birds Sturnidae | Starlings Calcariidae | Longspurs and snow bunting 1966-08-01 1967-01-04
Audubon field notes for Iowa, fall 1966 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Fringillidae | Finches 1966-08-01 1966-11-30