Title Genres Topics Date (Start) Date (End)
Iowa Birdline Update, March 12, 1990 Field notes Bird watching Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1990-03-12 N/A
Iowa RBA, March 8, 1999 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1999-03-08 N/A
Iowa RBA, December 7, 1998 Correspondence Field notes Bird watching Weather Waterfowl Dial-a-message telephone calls 1998-12-07 N/A
Iowa RBA, March 30, 1998 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1998-03-30 N/A
Iowa RBA, February 16, 1998 Correspondence Field notes Bird watching Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1998-02-16 N/A
Iowa RBA, November 3, 1997 Field notes Bird watching Birds--Migration Accipitridae | Hawks and Eagles Waterfowl Dial-a-message telephone calls 1997-11-03 N/A
Iowa RBA, March 10, 1997 Correspondence Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1997-03-10 N/A
Iowa RBA, January 20, 1997 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1997-01-20 N/A
Iowa RBA, January 15, 1996 Field notes Bird feeders Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1996-01-15 N/A
Iowa Birdline update, September 3, 1990 Field notes Bird watching Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Charadriidae | Plovers Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Waterfowl Dial-a-message telephone calls 1990-09-03 N/A
Iowa Birdline update, January 15, 1990 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1990-01-15 N/A
Iowa Birdline update, February 12, 1990 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1990-02-12 N/A
Iowa Birdline update, March 5, 1990 Field notes Bird watching Birds--Migration Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-05 N/A
Bery Engebretsen letter to Ross Silcock regarding bird sightings during winter 1991, February 24, 1992 Correspondence Field notes Bird watching Birds--Identification Rare birds Waterfowl 1992-02-24 N/A
Iowa Birdline update, March 26, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-03-26 N/A
Iowa Birdline update, April 2, 1990 Field notes Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1990-04-02 N/A
Iowa Birdline update, November 6, 1989 Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1989-11-06 N/A
Iowa Birdline update, October 30, 1989 Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl Dial-a-message telephone calls 1989-10-30 N/A
Iowa Birdline update, March 27, 1989 Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Waterfowl Dial-a-message telephone calls 1989-03-27 N/A
Iowa Birdline update, November 14, 1988 Field notes Bird watching Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1988-11-14 N/A
Iowa Birdline update, November 21, 1988 Field notes Bird watching Waterfowl Dial-a-message telephone calls 1988-11-21 N/A
Field report, spring 1999, Dennis Carter, June 1, 1999 Field notes Bird watching Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl 1999-06-01 N/A
Waterfowl migration survey, Missouri River, November 27, 1994 Field notes Forms (documents) Surveys (documents) Bird watching Birds--Counting Birds--Migration Weather Waterfowl 1994-11-27 N/A
Field reports, Spring 1994, Dennis Carter, June 2, 1994 Field notes Bird watching Birdsongs Turdidae | Thrushes Parulidae | Warblers Weather Waterfowl 1994-06-02 N/A
Field reports, Spring 1993, Dennis Carter Field notes Bird watching Birds--Identification Birds--Migration Birdsongs Charadriiformes | Shore-birds, Gulls, and Auks Turdidae | Thrushes Parulidae | Warblers Weather Waterfowl 1993-06-01 N/A