Title Genres Topics Date (Start) Date (End)
Frederic Leopold letter to the editor of the St. Paul Pioneer Press Dispatch regarding hunting and the effect on duck populations, April 27, 1988 Correspondence Birds--Conservation Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-04-27 N/A
Frederic Leopold letter to A.S. Hawkins regarding hunting and the effect on duck populations, January 13, 1988 Correspondence Birds--Conservation Birds--Habitat Hunting--Moral and ethical aspects Wildlife habitat improvement Waterfowl management Duck populations 1988-01-13 N/A
Letter to I.T. Bode regarding Waterfowl conditions that might affect Iowa, January 3, 1934 Correspondence Reports Bird surveys Birds--Counting Fowling Water levels Waterfowl 1934-01-03 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
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, October 22, 1990 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Emberizidae | Sparrows Waterfowl Dial-a-message telephone calls N/A N/A
Iowa Birdline update, March 25, 1991 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-25 N/A
Iowa Birdline update, March 11, 1991 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1991-03-11 N/A
Iowa Birdline update, December 23, 1991 Correspondence Field notes Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1991-12-23 N/A
Iowa Birdline update, January 13, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-01-13 N/A
Iowa Birdline update, February 17, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-02-17 N/A
Iowa Birdline update, February 24, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Waterfowl Dial-a-message telephone calls 1992-02-24 N/A
Iowa Birdline update, March 2, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-03-02 N/A
Iowa Birdline update, November 30, 1992 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-11-30 N/A
Iowa Birdline update, November 23, 1992 Correspondence Field notes Bird feeders Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-11-23 N/A
Iowa Birdline update, November 9, 1992 Correspondence Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl Dial-a-message telephone calls 1992-11-09 N/A
Iowa Birdline update, March 30, 1992 Correspondence Field notes Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Waterfowl Dial-a-message telephone calls 1992-03-30 N/A
Iowa Birdline update, December 6, 1993 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1993-12-06 N/A
Iowa Birdline update, March 14 and 16, 1994 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1994-03-14 1994-03-16
Iowa Birdline update, March 7, 1994 Correspondence Field notes Bird watching Birds--Migration Waterfowl Dial-a-message telephone calls 1994-03-07 N/A
Iowa Birdline update, November 28, 1994 Correspondence Field notes Bird watching Waterfowl Dial-a-message telephone calls 1994-11-28 N/A
Iowa Birdline update, November 21, 1994 Correspondence Field notes Bird watching Birds--Identification Waterfowl Dial-a-message telephone calls 1994-11-21 N/A
Iowa Birdline update, November 7, 1994 Correspondence Field notes Bird watching Laridae | Gulls and Terns Rare birds Waterfowl Dial-a-message telephone calls 1994-11-07 N/A
Iowa Birdline update, October 31, 1994 Correspondence Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Waterfowl Dial-a-message telephone calls 1994-10-31 N/A
Iowa Birdline update, February 27, 1995 Correspondence Field notes Bird watching Birds--Food Birds--Identification Waterfowl Dial-a-message telephone calls 1995-02-27 N/A