Title Genres Topics Date (Start) Date (End)
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 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, 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, April 25, 1994 Correspondence Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Dial-a-message telephone calls 1994-04-25 N/A
John Van Dyk letter to Thomas Kent regarding spring 1993 report, June 1, 1993 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Weather 1993-06-01 N/A
Iowa RBA, August 9-12, 1999 Correspondence Field notes Bird feeders Bird watching Birds--Identification Birds--Migration Birdsongs Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1999-08-09 1999-08-12
Iowa Birdline update, August 16, 1993 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Water levels Dial-a-message telephone calls 1993-08-16 N/A
Iowa Birdline update, August 30, 1993 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Dial-a-message telephone calls 1993-08-30 N/A
Iowa Birdline update, October 11, 1993 Correspondence Field notes Bird watching Birds--Migration Passeriformes | Perching-birds and songbirds Dial-a-message telephone calls 1993-10-11 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
Walter Rosene letter to Bureau of Biological Survey regarding birds sighted in 1926, January 11, 1927 Correspondence Bird watching Birds--Migration Wildlife rehabilitation 1927-01-11 N/A
John Van Dyk letter to Thomas H. Kent regarding bird sightings, June 1, 1997 Correspondence Field notes Bird feeders Bird watching Birds--Migration Birdsongs Weather Birds--Infancy 1997-06-01 N/A
Marie E. Spears Tiemann and Jean B. Braley letter to Thomas H. Kent regarding bird sightings, June 2, 1997 Correspondence Field notes Bird watching Birds--Migration Birdsongs 1997-06-02 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 1938 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1938-03-01 1938-03-31
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
Philip DuMont telegram to Burt Gresham regarding Goose migration Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1936-03-01 1936-05-31
Burt Gresham letter to Philip DuMont regarding Goose migration, April 14, 1933 Correspondence Bird watching Birds--Counting Birds--Migration 1933-04-14 N/A
Philip DuMont telegram to Burt Gresham regarding Goose migration, Spring 1933 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1933-03-01 1933-05-31
Pearl Knoop letter to Peter C. Petersen regarding Marble Rock, Iowa spring migration, June 10, 1965 Correspondence Field notes Bird watching Birds--Migration Fringillidae | Finches Parulidae | Warblers 1965-06-10 N/A
Betty Walters letter to Thomas H. Kent regarding bird sightings, August 13, 1980 Correspondence Field notes Bird banding Bird watching Birds--Migration Birdsongs Fringillidae | Finches Songbirds 1980-08-13 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Pearl Knoop letter to Peter C. Petersen regarding nesting season, August 21, 1964 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1964-08-21 N/A
Eldon J. Bryant letter to Woodward H. Brown regarding spring migration, May 17, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-05-17 N/A