Title Genres Topics Date (Start) Date (End)
Field reports, Hank Zaletel, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Jan L. Walter, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Susan Spieker, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1990-06-01 1990-07-31
Field reports, Douglas L. Rose, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Eggs Birds--Identification Birds--Nests Photography of birds Rare birds Weather 1990-06-01 1990-07-31
Field reports, Mark Proescholdt, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Diane C. Porter, summer 1990 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Field reports, Peter C. Petersen, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Curt Nelson, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Sharon Laub, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1990-06-01 1990-07-31
Field reports, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
Bird species confirmed nesting in Iowa for Iowa Breeding Bird Atlas Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-05-30 N/A
Big Bluestem Flyer, Volume 24, Number 6, February 1990 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Acid rain 1990-02-01 1990-02-28
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Erik Munson letter to the members of Big Bluestem Audubon Society regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting 1990-01-01 1990-12-31
Peter C. Petersen letter to Carl Bendorf regarding bird sightings for the IOU Quarterly Field Report, December 1, 1989 Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology Rare birds 1989-12-01 N/A
Big Bluestem Flyer, Volume 24, Number 4, December 1989 Newsletters Bird surveys Bird watchers Bird watching Birds--Counting Birds--Identification Ornithology--Societies, etc 1989-12-01 1989-12-31
Field reports, Michael K. Thomas, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1989-09-05 1989-11-22
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, August 3, 1989 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-08-03 N/A
Field reports, Tanya Bray, fall 1989 Field notes Bird watching Birds--Counting Birds--Identification Rare birds Wildlife conservation 1989-08-01 1989-11-30
Field reports, Dick Bierman, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1989-08-01 1989-11-30
Field reports, Eugene and Eloise Armstrong, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks 1989-08-01 1989-11-30
Field reports, Pam and Reid Allen, August - November 1989 Field notes Bird watching Birds--Counting Birds--Identification 1989-08-01 1989-11-30
Field reports, unknown compiler, fall 1989 Field notes Bird watching Birds--Counting Laridae | Gulls and Terns Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Threskiornithidae | Ibises Stercorariidae | Jaegers Gaviiformes | Loons Charadriiformes | Shore-birds, Gulls, and Auks 1989-08-01 1989-12-11
Field reports, unknown compiler, fall 1989 Field notes Bird watching Birds--Counting Gruiformes | Cranes, Rails, and Coots Anseriformes | Ducks, Geese, and Swans Pelecaniformes | Pelicans, Cormorants, Darters, and Frigate-birds Podicipediformes | Grebes Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Gaviiformes | Loons Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Galliformes | Quails, Pheasants, Turkeys, and Grouse Strigiformes | Owls Apodiformes | Swifts and Hummingbirds Caprimulgiformes | Nighthawks and Nightjars 1989-08-01 1989-12-08
Iowa Ornithologists' Union, Quarterly field report, fall 1989 Field notes Bird watching Birds--Counting Laridae | Gulls and Terns Stercorariidae | Jaegers Charadriiformes | Shore-birds, Gulls, and Auks Weather 1989-08-01 1989-11-30