Title Genres Topics Date (Start) Date (End)
Virginia R. Crocker letter to Gladys Black regarding bird sighting, November 21, 1981 Field notes Bird watching Birds--Behavior Birds--Research Ornithology--Methodology 1981-11-21 N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding highlights of the Christmas bird count, January 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Fringillidae | Finches N/A N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding winter bird sightings, February 28, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Research Fringillidae | Finches 1979-02-28 N/A
W. Ross Silcock letter to Thomas H. Kent regarding questions about the Christmas bird count, February 28, 1989 Correspondence Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1989-02-28 N/A
W. Ross Silcock letter to Vernon M. Kleen regarding fall migration 1975, December 5, 1975 Correspondence Field notes Bird watching Birds--Migration Birds--Research 1975-12-05 N/A
W. Ross Silcock letter to Vernon M. Kleen regarding spring bird observations in Fremont County, July 11, 1975 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1975-07-11 N/A
Walter Rosene 1923 bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Hirundinidae | Swallows Turdidae | Thrushes Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1923-01-01 1923-12-31
Walter Rosene 1924 bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Scolopacidae | Sandpipers, Phalaropes, and allies Hirundinidae | Swallows Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Strigiformes | Owls Emberizidae | Sparrows 1924-01-01 1924-12-31
Walter Rosene bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Piciformes | Woodpeckers and allies Emberizidae | Sparrows N/A N/A
Walter Rosene bird sighting records Field notes Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Hirundinidae | Swallows Vireonidae | Vireos Parulidae | Warblers Strigiformes | Owls Emberizidae | Sparrows N/A N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1922 bird migration report, January 2, 1923 Correspondence Bird watching Birds--Migration Birds--Research 1923-01-02 N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1924 bird migration report, February 7, 1925 Correspondence Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1925-02-07 N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding a 1925 bird migration report, January 18, 1926 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies Vireonidae | Vireos Parulidae | Warblers Emberizidae | Sparrows 1926-01-18 N/A
Walter Rosene letter to the United States Bureau of Biological Survey regarding bird observations from a trip to North Dakota, May 1, 1925 Correspondence Field notes Bird watching Birds--Migration Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Hirundinidae | Swallows Vireonidae | Vireos Troglodytidae | Wrens Emberizidae | Sparrows 1925-05-01 N/A
Walter Rosene personal reminiscences of nature study and bird work at Ledges State Park Diaries Photographs Narratives (literary works) Bird watching Birds--Counting Birds--Nests Birds--Research Parks--Iowa Birds--Anecdotes 1918-01-01 1941-12-31
Winter 1978 report Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Winter bird count from reports across the state contributed by Gladys Black, February 9, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1977-02-09 N/A
Winter birds which might be of interest, December 1, 1977 to February 9, 1978 Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Winter of 1974-75, Red Rock area and Pleasantville, Iowa field notes, and Snowy Owl reports Clippings (information artifacts) Correspondence Field notes Maps (documents) Bird kills Bird watching Birds--Research Ornithology--Methodology Weather 1974-12-01 1975-02-28
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
Winter raptor survey, 1978 Maps (documents) Reports Bird watching Birds of prey Birds--Habitat Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Strigiformes | Owls 1978-12-01 1978-12-31
Winter report and additional winter report Field notes Bird watching Birds--Research 1978-03-01 N/A
Winter report, Cedar Rapids area Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Wood Duck nesting records, volume one, 1939-1953 Clippings (information artifacts) Field notes Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1939-01-01 1953-12-31
Wood Duck nesting records, volume three, 1967-1978 Clippings (information artifacts) Correspondence Printed ephemera Field notes Birds--Eggs Birds--Nests Birds--Research Ornithology--Methodology Birdhouses Eggs--Incubation Ducks--Counting Ducklings Wood duck--Behavior 1967-01-01 1978-12-31