Title Genres Topics Date (Start) Date (End)
Field reports, Beth Proescholdt, fall 1989 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Counting Birds--Identification Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1989-08-01 1989-11-30
Field reports, Hank Zaletel, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1989-08-01 1989-11-30
Field reports, Jan L. Walter, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Threskiornithidae | Ibises Water birds Weather 1989-08-01 1989-11-30
Field reports, Sue Spieker, fall 1989 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1989-08-01 1989-11-30
Field reports, Jim Sinclair, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds 1989-08-01 1989-11-30
Field reports, Douglas L. Rose, fall 1989 Field notes Forms (documents) Birds--Counting Birds--Identification Photography of birds Rare birds Weather 1989-08-01 1989-11-30
Field reports, Loretta M. Pursel, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1989-08-01 1989-11-30
Field reports, Mark Proescholdt, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1989-08-01 1989-11-30
Field reports, Bob Myers, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Laridae | Gulls and Terns Rare birds 1989-08-01 1989-11-30
Field reports, Sharon Laub, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1989-08-01 1989-11-30
Field reports, Thomas H. Kent, fall 1989 Field notes Bird watching Birds--Counting Birds--Identification 1989-08-01 1989-11-30
Field reports, Matthew Kenne, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Stercorariidae | Jaegers 1989-08-01 1989-11-30
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, Michael K. Thomas, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1989-09-05 1989-11-22
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
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
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
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
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
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, Curt Nelson, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 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, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Bob Cecil, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Rare birds 1990-06-01 1990-07-31