Title Genres Topics Date (Start) Date (End)
W. Ross Silcock letter to Carl J. Bendorf regarding bird sightings, November 25, 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy 1988-11-25 N/A
John Van Dyk letter to Carl J. Bendorf regarding bird sightings, fall 1988 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birdsongs Parulidae | Warblers Weather Birds--Infancy 1988-08-01 1988-11-30
Field notes and Barbara L. Wilson letter to Carl J. Bendorf, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birdsongs Weather Birds--Infancy 1988-11-28 N/A
W. Ross Silcock letter to Thomas H. Kent regarding questions about the Christmas bird count, February 28, 1989 Correspondence Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1989-02-28 N/A
Neil Bernstein letter to James J. Dinsmore regarding summer bird sightings, summer 1989 Correspondence Field notes Bird watching Birds--Identification 1989-06-01 1989-07-31
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
John Van Dyk letter to James J. Dinsmore regarding summer bird sightings, summer 1989 Correspondence Field notes Bird populations Bird watching Birds--Nests Birdsongs Weather 1989-06-01 1989-07-31
Field reports, Bill Huser, Jerry Probst, Richard Huser, fall 1989 Correspondence Field notes Bird watching Birds--Identification Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks 1989-07-31 1989-11-30
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
Field reports, Sue Spieker, fall 1989 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1989-08-01 1989-11-30
John Van Dyk letter to Carl J. Bendorf regarding field reports for the IOU quarterly field report, December 1, 1989 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Parulidae | Warblers Weather 1989-12-01 N/A
Pam and Reid Allen letter to Jim Dinsmore regarding bird sightings for IOU quarterly field report for summer 1990, July 24, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Feeding and feeds Zoological specimens 1990-07-24 N/A
Neil Bernstein letter to Jim Dinsmore regarding bird sightings for IOU quarterly field report for summer 1990, July 3, 1990 Correspondence Field notes Bird watching Birds--Behavior Birds--Conservation Birds--Identification Birds--Nests 1990-07-03 N/A
Letter from Bery Engebretsen to James Dinsmore regarding bird sightings for the IOU quarterly field report summer 1990, August 1, 1990 Correspondence Field notes Bird watching Birds--Identification 1990-08-01 N/A
Kay Gramlich letter to James Dinsmore regarding sightings and feeding of pine siskin, August 2, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Feeding and feeds 1990-08-02 N/A
J. Donald Gillaspey letter to James Dinsmore regarding bird sightings in Lamoni, IA, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Carl Priebe letter to Jim Dinsmore regarding bird sighting for the IOU quarterly field report summer 1990, August 6, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Weather 1990-08-06 N/A
Jim Sinclair letter to Jim Dinsmore regarding summer field reports for IOU quarterly field reports for summer 1990, July 31, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Nests 1990-07-31 N/A
Barb Wilson letter to Jim Dinsmore regarding bird sightings for IOU quarterly field reports, summer 1990 Correspondence Field notes Bird watching Birds--Identification Accipitridae | Hawks and Eagles Mimidae | Mockingbirds, Catbirds, Thrashers, and Tremblers Rare birds Weather 1990-06-01 1990-07-31
Dennis Carter letter to Carl Bendorf regarding field reports for inclusion in IOU quarterly field report, November 30, 1990 Correspondence Field notes Bird watching Birds--Identification Rare birds 1990-11-30 N/A
Field reports, Steve Dinsmore, fall 1990 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl 1990-08-01 1990-11-30
J. Donald Gillaspey letter to Carl J. Bendorf regarding bird sightings in Lamoni, IA, November 23, 1990 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Rare birds 1990-11-23 N/A
Lanny Haldy letter to Carl Bendorf regarding bird sightings for the Amana, IA area, August 22, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Nests Phalacrocoracidae | Cormorants Gaviiformes | Loons 1990-08-22 N/A
Field reports, Randall Pinkston, fall 1990 Correspondence Field notes Bird watching Birds--Identification Rare birds 1990-08-01 1990-11-30
Carl Priebe letter to Carl J. Bendorf regarding bird sightings in the fall 1990, September 28, 1990 Correspondence Field notes Bird watching Birds--Identification Laridae | Gulls and Terns Threskiornithidae | Ibises Rare birds 1990-09-28 N/A