Title Genres Topics Date (Start) Date (End)
John Van Dyk letter to Robert K. Myers regarding bird sightings, May 27, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Parulidae | Warblers Emberizidae | Sparrows 1988-05-27 N/A
Bery Engebretsen letter to Robert K. Myers regarding bird sightings, May 29, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Anseriformes | Ducks, Geese, and Swans 1988-05-29 N/A
Field notes and Bery Engebretsen letter to James J. Dinsmore, July 30, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy 1988-07-30 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, August 1, 1988 Correspondence Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy Birds--Feeding and feeds 1988-08-01 N/A
Douglas E. Trapp letter to James J. Dinsmore regarding two owl species sightings, August 1, 1988 Correspondence Field notes Bird watching Birdsongs 1988-08-01 N/A
David J. Conrads letter to Carl J. Bendorf regarding bird sightings, fall 1988 Correspondence Field notes Bird watching Birds--Identification Birdsongs Birds--Infancy 1988-08-01 1988-11-30
Field notes and Bob Livermore letter to Carl J. Bendorf, fall 1988 Correspondence Field notes Forms (documents) Bird watching Birds--Behavior Birdsongs Birds--Feeding and feeds 1988-08-01 1988-11-30
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
Ione Getscher letter to Carl J. Bendorf regarding bird sightings, September 19, 1988 Correspondence Field notes Bird watching Birds--Counting Birdsongs Birds--Infancy 1988-09-19 N/A
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
Eloise Armstrong and Eugene Armstrong letter to Carl J. Bendorf regarding bird sightings, November 28, 1988 Correspondence Field notes Bird feeders Bird watching Birds--Identification Birdsongs 1988-11-28 N/A
Spring Field Report for I.O.U., J. Donald Gillaspey, 1989 Correspondence Field notes Birds--Behavior Birds--Identification Birdsongs Rare birds 1989-03-01 1989-05-31
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
Iowa Birdline update, April 29, 1991 Correspondence Field notes Bird watching Birdsongs Dial-a-message telephone calls 1991-04-29 N/A
Iowa Birdline update, June 10, 1991 Correspondence Field notes Bird watching Birdsongs Dial-a-message telephone calls 1991-06-10 N/A
Iowa Birdline update, June 24, 1991 Correspondence Field notes Bird watching Birdsongs Dial-a-message telephone calls 1991-06-24 N/A
Iowa Birdline update, July 8, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Water birds Birds--Infancy Dial-a-message telephone calls 1991-07-08 N/A
Iowa Birdline update, July 15, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1991-07-15 N/A
Field notes and Peter Ernzen letter to Thomas H. Kent, fall 1991 Correspondence Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birdsongs Parulidae | Warblers Birds--Infancy Emberizidae | Sparrows 1991-08-01 1991-11-30
Field notes and Ann Johnson letter to the editor, fall 1991 Correspondence Field notes Bird watching Birdsongs Laridae | Gulls and Terns Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Parulidae | Warblers Weather Birds--Infancy Emberizidae | Sparrows 1991-08-01 1991-11-30
Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 2, 1991 Correspondence Field notes Bird watching Birds--Nests Birdsongs Weather 1991-08-02 N/A
Iowa Birdline update, September 9, 1991 Correspondence Field notes Bird watching Birds--Identification Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1991-09-09 N/A
Iowa Birdline update, April 13, 1992 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Birdsongs Anseriformes | Ducks, Geese, and Swans Charadriiformes | Shore-birds, Gulls, and Auks Dial-a-message telephone calls 1992-04-13 N/A
Iowa Birdline update, April 20-22, 1992 Correspondence Field notes Bird watching Birds--Identification Birdsongs Anseriformes | Ducks, Geese, and Swans Gruidae | Cranes Calcariidae | Longspurs and snow bunting Dial-a-message telephone calls 1992-04-20 1992-04-22
Iowa Birdline update, May 11-13, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1992-05-11 1992-05-13