Title Genres Topics Date (Start) Date (End)
Audubon field notes for Des Moines, winter 1963-1964 Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1963-12-01 1964-02-28
Iowa, fall 1994, documentations, December 16, 1994 Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds 1994-12-16 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1994 Field notes Reports Bird watching Birds--Research Ornithology--Methodology Rare birds Weather 1994-08-01 1994-11-30
Woodward H. Brown letter to Peter C. Petersen regarding Aubudon field notes, December 9, 1964 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1964-12-09 N/A
Florence McCaughey letter regarding fall bird migration, November 25, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Parulidae | Warblers 1964-11-25 N/A
Iowa Ornithologists' Union, Quarterly field report, fall 1964 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1964-08-01 1964-11-30
Audubon field notes summer migration 1964 contributed by Woodward H. Brown Field notes Bird declines Bird populations Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology Weather 1964-06-01 1964-07-31
Pearl Knoop letter to Peter C. Petersen regarding nesting season, August 21, 1964 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1964-08-21 N/A
Audubon field notes for winter migration 1963-1964 contributed by Frederick W. Kent Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology Weather 1963-12-01 1964-02-28
Eldon J. Bryant letter to Woodward H. Brown regarding spring migration, May 17, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-05-17 N/A
Audubon field notes for spring 1964 migration contributed by Woodward H. Brown, June 7, 1964 Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-07 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Iowa Ornithologists' Union, Quarterly field report, spring 1964 Field notes Bird watching Birds--Research Ornithology--Methodology 1964-03-01 1964-05-31
Records Committee review for rare bird sighting for Black-headed Grosbeak at Decorah, 1982 Administrative records Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1982-07-29 1993-09-01
Records Committee review for rare bird sighting for Black-headed Grosbeak at Woodpecker Marsh, 1999 Administrative records Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1999-09-07 2000-11-28
Records Committee review for rare bird sighting for Black-headed Grosbeak at Riverton Wildlife Area, 1997 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1997-08-09 2000-11-24
Records Committee review for rare bird sighting for Black-headed Grosbeak at Des Moines, 1996 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1996-05-14 2000-11-22
Records Committee review for rare bird sighting for Black-headed Grosbeak at Warren County Conservation Board Headquarters, 1996 Administrative records Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1996-05-12 2000-11-22
Records Committee review for rare bird sighting for Black-headed Grosbeak at Marquette, 1994 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1994-10-01 1996-04-25
Records Committee review for rare bird sighting for Black-headed Grosbeak at Big Creek State Park, 1994 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1994-05-15 1996-04-25
Records Committee review for rare bird sighting for Black-headed Grosbeak at Nevada, 1990 Administrative records Field notes Photographs Bird watching Ornithology Ornithology--Societies, etc 1990-05-21 1993-07-17
Records Committee review for rare bird sighting for Black-headed Grosbeak at Coralville Reservoir, 1985 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1985-05-13 1993-09-03
Records Committee review for rare bird sighting for Black-headed Grosbeak at Larrabee, 1983 Administrative records Field notes Bird watching Ornithology Ornithology--Societies, etc 1983-09-30 1993-09-01
Records Committee review for rare bird sighting for Black-headed Grosbeak at Marble Rock, 1983 Administrative records Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1983-05-09 1993-09-01
Records Committee review for rare bird sighting for Black-headed Grosbeak at Elkhart, 1982 Administrative records Correspondence Field notes Bird watching Ornithology Ornithology--Societies, etc 1982-11-23 1993-09-01