Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, Quarterly field report, Spring 1969 Field notes Bird watching 1969-03-01 1969-05-31
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Field notes contributed by Bart M. Ballard, summer 1988 Field notes Bird watching Birds--Counting Birds--Infancy 1988-06-01 1988-07-31
Field notes from Frederick W. Kent, Iowa City, fall 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1971-08-01 1971-11-30
J. Donald Gillaspey letter to Woodward H. Brown regarding birds sighted during fall 1971, November 12, 1971 Correspondence Bird watching 1971-11-12 N/A
Report from Red Rock Refuge, Marion County, Iowa, 1971 fall migration Field notes Bird watching Birds--Migration Habitat (Ecology) 1971-11-30 N/A
Fall migration, Iowa, 1971 Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather 1971-08-01 1971-11-30
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
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Audubon field notes, fall 1969 Field notes Bird watching Birds--Migration Weather 1969-08-01 1969-11-30
Iowa Ornithologists' Union, Quarterly field report, Fall 1969 Field notes Bird watching 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 contributed by Woodward H. Brown, August 16, 1966 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Parulidae | Warblers 1966-08-16 N/A
Audubon field notes, Spring 1969 Field notes Bird watching 1969-03-01 1969-05-31
Dorothy Franek letter to Peter C. Peterson regarding her first winter bird population study, March 10, 1969 Correspondence Bird watching Birds--Identification Ornithology--Methodology Weather 1969-01-01 1969-03-31
Dorothy Franek letter to Frances Braley regarding her activities with birds, January 17, 1969 Correspondence Maps (documents) Bird banding Bird watching Birds--Habitat Birds--Identification 1969-01-17 N/A
Dorothy Franek letter to Peter C. Petersen regarding bird sightings records, January 18, 1969 Correspondence Bird watching 1969-01-18 N/A
Audubon field notes, winter 1968-1969 Field notes Bird watching 1968-12-01 1969-02-28
Iowa Ornithologists' Union, Quarterly field report, winter 1968-1969 Correspondence 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
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, spring 1968 Field notes Bird watching Birds--Migration 1968-03-01 1968-05-31
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
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 N/A