Title Genres Topics Date (Start) Date (End)
Walter Rosene letter to Philip DuMont regarding article writing, July 15, 1935 Correspondence Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Fowling 1935-07-15 N/A
Randall Pinkston letter to James Dinsmore regarding bird sightings for the official field report, June 2, 1991 Checklists Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration Rare birds Weather 1991-06-02 N/A
Herbert F. Wiese letter to Stephen Dinsmore regarding bird sightings for IOU quarterly field reports spring 1991, March 12, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Migration 1991-03-08 N/A
Chuck Williamson email to Jim Fuller, December 7, 1990 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Migration 1990-12-07 N/A
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
Field reports of Iowa birds contributed by Thomas H. Kent, November 26, 1988 Field notes Bird watching Birds--Counting Birds--Identification Birds--Migration Birdsongs Birds--Infancy 1988-11-26 N/A
Principal waterfowl flyways, Fall migration Maps (documents) Birds--Migration Flyways N/A N/A
Arrival dates of water birds Research notes Bird watching Birds--Geographical distribution Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Nettie Funk letter to LeRoy Weeks regarding migratory birds Correspondence Birds--Migration Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Water birds N/A N/A
Average date of arrival of migratory birds Research notes Bird watching Birds--Migration Rare birds N/A N/A
Allen Green letter to Philip DuMont regarding Snowy Egrets and Black Ducks, May 9, 1934 Correspondence Bird watching Birds--Migration 1934-05-09 N/A
Walter Rosene letter to Philip DuMont regarding Waterfowl Census, October 20, 1928 Correspondence Bird surveys Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Water birds Emberizidae | Sparrows Presidents--United States--Election--1928 Families 1928-10-20 N/A
Philip DuMont letter to Walter Rosene regarding articles, Ducks and Doves, July 27, 1935 Correspondence Bird watching Birds--Migration Anseriformes | Ducks, Geese, and Swans Fowling 1935-07-27 N/A
Hank Zaletel letter to Thomas H. Kent regarding poor spring migration, June 3, 1985, with accompanying field notes Correspondence Field notes Bird watching Birds--Migration 1985-06-03 N/A
IOU field reports form, Douglas C. Harr, May 27, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Migration Birdsongs Weather 1988-05-27 N/A
Warblers, and how to identify them Lecture notes Birds--Behavior Birds--Habitat Birds--Identification Birds--Migration Birdsongs Parulidae | Warblers 1933-04-24 N/A
Waterfowl conditions in the Missouri Valley Reports Birds--Migration Anseriformes | Ducks, Geese, and Swans Wildlife conservation Wildlife refuges Waterfowl N/A N/A
Burt Gresham letter to Philip DuMont regarding Goose migration, April 9, 1938 Correspondence Field notes Surveys (documents) Bird watching Birds--Counting Birds--Migration 1938-04-09 N/A
Philip DuMont letter to Burt Gresham regarding Goose migration, April 4, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-04-04 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration, March 18, 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-18 N/A
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A
Field notes contributed by John Van Dyk, June 1, 1987 Field notes Bird feeders Bird watching Birds--Migration Birds--Nests Birds--Research Anseriformes | Ducks, Geese, and Swans Tyrannidae | Flycatchers Fringillidae | Finches Vireonidae | Vireos Parulidae | Warblers Weather 1987-06-01 N/A
Douglas E. Trapp letter to Thomas H. Kent regarding raptor migration watch, October 3, 1986 Correspondence Field notes Bird watching Birds of prey Birds--Migration Ornithology--Methodology Weather 1986-10-03 N/A
John Van Dyke letter to Carl J. Bendorf regarding bird sightings, December 3, 1986 Correspondence Field notes Bird declines Bird watching Birds--Counting Birds--Migration 1986-12-03 N/A
Barb Wilson letter to Robert Myers regarding Spring report, June 2, 1986 Field notes Bird watching Birds--Identification Birds--Migration Birds--Nests Weather Wildlife rescue 1986-06-02 N/A