Title Genres Topics Date (Start) Date (End)
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 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 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 changes in habitat and birds sighted at Red Rock Refuge during 1968-1970, April 7, 1971 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests 1971-04-07 N/A
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at the Red Rock Refuge and Pleasantville, Iowa area, August 15, 1973 Correspondence Field notes Bird watching Birds--Habitat Habitat (Ecology) 1973-08-15 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, 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 letters to Nicholas S. Halmi regarding bird sightings, March 14 and 21, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-14 1978-03-21
Gladys Black letters to Vernon M. Kleen regarding fall migration and nesting season, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Habitat (Ecology) Radio and television tower bird strikes 1974-08-01 1974-11-30
Gladys Black's 1978 Red Rock Fall Migration and letter to Nicholas S. Halmi, October 7, 1978 Correspondence Field notes Bird watching Rare birds 1978-10-07 N/A
Gladys Black's notes on Red Rock Lake and Refuge and Pleasantville winter bird sightings Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology N/A N/A
Glenn E. Jones letter to David A. Newhouse regarding bird sightings, May 1, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-05-01 N/A
Grammer Grove hawk watch, 1999, Beth Proescholdt Field notes Bird watching Birds--Counting Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1999-09-05 1999-11-24
Hairy Woodpecker logs, Woodward Hart Brown, 1950-1977 Field notes Research notes Surveys (documents) Bird surveys Bird watching Birds--Counting Weather 1950-01-01 1977-12-31
Hank Krause letter to Thomas H. Kent regarding bird sightings, spring 1986 Correspondence Field notes Bird watching Birds--Nests Birds--Infancy 1986-03-01 1986-05-31
Hank Krause letter to Thomas Kent regarding a Red-breasted Nuthatch sighting, August 20, 1983 Correspondence Field notes Bird watching 1983-08-20 N/A
Hank Zaletel letter regarding Red-necked Grebes at Little Wall Lake Correspondence Field notes Bird watching Birds--Identification 1984-04-12 1984-04-24
Hank Zaletel letter to Carl J. Bendorf regarding bird sightings, November 29, 1986 Correspondence Field notes Bird watching 1986-11-29 N/A
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, March 18, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-18 N/A
Hank Zaletel letter to Nicholas S. Halmi regarding bird sightings, March 7, 1978 Correspondence Field notes Bird watching Birds--Research 1978-03-07 N/A
Hank Zaletel letter to Thomas H. Kent regarding a report of a Golden Plover, August 12, 1982 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1982-08-12 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
Hank Zaletel letter to Thomas Kent regarding editorial comments to field reports, November 26, 1980 Correspondence Field notes Bird watching 1980-11-26 N/A
Harold Fetter letter to Peter C. Petersen regarding bird sightings, August 14, 1963 Correspondence Field notes Bird watching Birds--Eggs Birds--Research Ornithology--Methodology 1963-08-14 N/A
Harriet and Oivind Hovde letter to Thomas Kent regarding Western Tanager, April 27, 1986 Field notes Bird watching 1986-04-27 N/A