Title Genres Topics Date (Start) Date (End)
Gladys Black letter to Vernon M. Kleen regarding her sighting of Clark's Nutcracker, March 5, 1973 Correspondence Bird watching Birds--Research Ornithology--Methodology 1973-03-05 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
Lake Red Rock and Red Rock Refuge, fall migration, 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
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
Photograph of Frederic Leopold on a ladder checking a Wood Duck house Photographs Bird watchers Birds--Research Birdhouses 1965-01-01 1965-12-31
Photograph of five hatching Wood Duck eggs Photographs Birds--Eggs Birds--Research 1971-06-01 N/A
Iowa Natural Areas Inventory field survey contributed by Bob Sheets to Robert W. Howe, November 22, 1982 Field notes Bird watching Birds--Habitat Birds--Research Ornithology--Methodology 1982-11-22 N/A
R. Craig Hensley letter to Thomas H. Kent regarding field reports , July 28, 1982 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1982-07-28 N/A
Field reports data, spring 1984 Field notes Bird watching Birds--Counting Birds--Research 1984-03-01 1984-05-31
Field reports data, casual and accidental birds, spring 1984 Field notes Bird watching Birds--Counting Birds--Research 1984-03-01 1984-05-31
Field report contributed by Wallace E. Jardine for summer, 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-06-01 1982-07-31
Field report contributed by Wallace E. Jardine for fall, 1982 Field notes Bird watching Birds--Research Ornithology--Methodology Fringillidae | Finches 1982-08-01 1982-11-30
Field report contributed by Tom Staudt, summer, 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-06-01 1982-07-31
Field report contributed by Thomas H. Kent for summer 1982 Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds 1982-06-01 1982-07-31
Tanya Bray letter and field report to Thomas H. Kent, November 29, 1982 Correspondence Field notes Bird declines Bird watching Birds--Habitat Birds--Migration Birds--Nests Birds--Research Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers 1982-11-29 N/A
Field report contributed by Russell P. Baldner and Cathryn A. Baldner, summer 1982 Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology 1982-06-01 1982-07-31
Field report contributed by Robert W. Howe for summer, 1982 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1982-06-01 1982-07-31
Field report contributed by Robert K. Myers, summer 1982 Field notes Bird watching Birds--Research Ornithology--Methodology Rare birds 1982-06-01 1982-07-31
Field report contributed by René Laubach for fall 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-08-01 1982-11-30
Field report contributed by Raymond L. Cummins for fall 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-08-01 1982-11-30
Field report contributed by Raymond L. Cummins, summer 1982 Field notes Bird watching Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies 1982-06-01 1982-07-31
Field report contributed by Peter C. Petersen, summer 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-06-01 1982-07-31
Field report contributed by Paul Martsching for fall 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-08-01 1982-11-30
Field report contributed by Marion M. Brewer for fall 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-08-01 1982-11-30
Field report contributed by Jean B. Braley, summer 1982 Field notes Bird watching Birds--Research Ornithology--Methodology 1982-06-01 1982-07-31