Title Genres Topics Date (Start) Date (End)
Iowa Ornithologists' Union, field report compiled data, Black-crowned Night Heron, 1956-1983 Field notes Bird watching Birds--Counting Birds--Research 1956-10-25 1983-07-08
Tri-city Bird Club daily field card compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956 Checklists Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies 1956-05-29 N/A
Iowa Ornithologists' Union, field report compiled data, Lesser Yellowlegs, 1955-1983 Field notes Bird watching Birds--Counting Birds--Research 1955-03-05 1983-07-22
Bill Youngworth letter to Woodward Hart Brown regarding dubious Christmas census reports, May 25, 1954 Correspondence Bird watching Birds--Counting Birds--Geographical distribution Winter Zoological specimens 1954-05-25 N/A
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, Chimney Swift, 1954-1983 Field notes Bird watching Birds--Counting Birds--Research 1954-04-13 1983-04-26
Iowa Ornithologists' Union, field report compiled data, Dickcissel, 1951-1983 Field notes Bird watching Birds--Counting Birds--Research Birds--Infancy Birds--Feeding and feeds 1951-04-27 1983-06-15
Iowa Ornithologists' Union, field report compiled data, Bufflehead, 1950-1983 Field notes Bird watching Birds--Counting Birds--Research 1950-10-08 1983-03-08
Iowa Ornithologists' Union, field report compiled data, Green-backed Heron, 1950-1982 Field notes Bird watching Birds--Counting Birds--Research 1950-04-23 1982-10-14
Hairy Woodpecker logs, Woodward Hart Brown, 1950-1977 Field notes Research notes Surveys (documents) Bird surveys Bird watching Birds--Counting Weather 1950-01-01 1977-12-31
Iowa Ornithologists' Union, field report compiled data, Franklin's Gull, 1949-1983 Field notes Bird watching Birds--Counting Birds--Research 1949-11-11 1983-06-07
Iowa Ornithologists' Union, field report compiled data, Long-tailed Duck, 1948-1983 Field notes Bird watching Birds--Counting Birds--Research 1948-03-05 1983-01-14
Iowa Ornithologists' Union, field report compiled data, Evening Grosbeak, 1947-1982 Field notes Bird watching Birds--Counting Birds--Research 1947-08-25 1982-05-02
Iowa Ornithologists' Union, field report compiled data, Rough-legged Hawk, 1947-1983 Field notes Bird watching Birds--Counting Birds--Research 1947-05-17 1983-05-09
Iowa Ornithologists' Union, field report compiled data, Bonaparte's Gull, 1946-1983 Field notes Bird watching Birds--Counting Birds--Research 1946-05-16 1983-05-03
Ottumwa Bird Club meeting minutes, May 31, 1944 Administrative records Bird watching Birds--Counting Ornithology--Societies, etc Women conservationists Meetings 1944-05-31 N/A
Ottumwa Bird Club membership list and meeting minutes, January 6, 1944 Administrative records Birds--Counting Tyrannidae | Flycatchers Ornithology--Societies, etc Hirundinidae | Swallows Meetings 1943-01-01 1944-01-06
Iowa Ornithologists' Union, field report compiled data, Common Merganser, 1942-1983 Field notes Bird watching Birds--Counting Birds--Research 1942-05-22 1983-03-12
Iowa Ornithologists' Union, field report compiled data, Red-breasted Merganser, 1942-1983 Field notes Bird watching Birds--Counting Birds--Research 1942-05-17 1983-06-24
Iowa Ornithologists' Union, field report compiled data, Rose-breasted Grosbeak, 1938-1982 Field notes Bird watching Birds--Counting Birds--Research 1938-10-09 1982-10-10
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
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
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
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, March 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-01 1938-03-31