Title Genres Topics Date (Start) Date (End)
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 N/A
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, March 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-03-24 N/A
Gladys Black letter to Vernon Kleen regarding Evening Grosbeak invasion, January 24, 1976 Correspondence Field notes Bird populations Bird watching Birds--Research Ornithology--Methodology 1976-01-24 N/A
Gladys Black letter to Thomas H. Kent regarding bird sightings, March 17, 1980 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1980-03-17 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-12-01 N/A
Gladys Black letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Trapping 1976-12-10 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A
Genevieve DeLong letter to Thomas H. Kent regarding bird sightings, May 29, 1980 Correspondence Field notes Bird banding Bird watching Birds--Food Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Turdidae | Thrushes Parulidae | Warblers Bombycillidae | Waxwings Weather 1980-05-29 N/A
Fred Lesher letters to Thomas H. Kent regarding bird sightings, March 12, 1983 and June 3, 1983 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Ornithology--Study and teaching 1983-03-01 1983-06-03
Fred Lesher letter to Thomas H. Kent regarding bird sightings in West Des Moines, Iowa, August 16, 1982 Correspondence Field notes Bird declines Bird watching Birds--Research Ornithology--Methodology Vireonidae | Vireos 1982-08-16 N/A
Fred Lesher letter to Thomas H. Kent regarding a raptor survey and winter bird sightings, February 6, 1983 Correspondence Field notes Bird surveys Bird watching Birds--Research Ornithology--Methodology 1983-02-06 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Weir Nelson, December 28, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-28 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Weir Nelson, December 27, 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-27 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Wayne Livermore, December 27, 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-27 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, W. Ross Silcock, December 31, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-31 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, W. Ross Silcock, December 20, 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-20 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Thomas J. Staudt, December 20, 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-20 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Thelma Joy Fromm, December 20, 1986 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1986-12-20 N/A