Title Genres Topics Date (Start) Date (End)
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 bird observations for winter 1975/1976, undated Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology N/A N/A
W. Ross Silcock letter to Thomas H. Kent regarding sightings at Folsom Lake Heronry, July 6, 1984 Correspondence Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1984-07-06 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 Thomas H. Kent regarding bird sightings, May 31, 1980 Correspondence Field notes Bird watching Birds--Breeding Birds--Counting Birds--Habitat Birdsongs Fringillidae | Finches 1980-05-31 N/A
W. Ross Silcock letter to Thomas H. Kent regarding bird sightings, August 2, 1980 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Birdsongs 1980-08-02 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 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 field notes, February 14, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1977-02-14 N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding bird sightings, November 30, 1977 Correspondence Field notes Bird watching Birds--Counting 1977-11-30 N/A
W. Ross Silcock letter to Carl J. Bendorf regarding bird sightings, November 25, 1988 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy 1988-11-25 N/A
Vivian Keerbs letter to Carl J. Bendorf regarding the sighting of a Pied-billed Grebe, fall 1986 Correspondence Field notes Bird watching Birds--Infancy 1986-08-01 1986-11-30
Virginia Crocker letter to Gladys Black regarding the sighting of a Varied Thrush at Storm Lake, November 21, 1981 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Rare birds 1981-11-20 1981-11-21
Vernon M. Kleen letter to Peter C. Petersen regarding field notes from the 1960s, January 19, 1989 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1989-01-19 N/A
Vernon M. Kleen letter to Nicholas S. Halmi regarding publication of bird reports, September 8, 1978 Clippings (information artifacts) Correspondence Field notes Bird watching Birds--Research 1978-09-08 N/A
Two letters sent between Rushton G. Cortelyou and Thomas H. Kent, regarding a Piping Plover sighting, July 1986 Correspondence Field notes Birds--Identification Birds--Nests Ornithology--Methodology Ornithology--Societies, etc Rare birds 1986-05-28 1986-07-12
Tom Stone, Jr. letter to Thomas H. Kent regarding bird sightings, spring 1980 Correspondence Field notes Bird watching Birds--Counting Birdsongs 1980-03-01 1980-05-31
Tom Nigus letter to Nicholas S. Halmi regarding bird sightings, November 30, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1977-11-30 N/A
Tom Johnson letter to Nicholas S. Halmi regarding bird sightings, December 2, 1977 Correspondence Field notes Bird feeders Bird watching 1977-12-02 N/A
Tom Johnson letter to James J. Dinsmore regarding bird sightings, August 21, 1996 Correspondence Field notes Bird banding Bird watching Birds--Infancy 1996-08-21 N/A
Todd Tracy email to Jim Fuller regarding Gyrfalcon sighting, February 14, 1994 Correspondence Field notes Birds--Identification Ornithology Rare birds 1994-02-14 N/A
Tim Mason letter to Bob Howe regarding Double-crested Cormorant nesting, June 26, 1984 Correspondence Maps (documents) Birds--Nests Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks 1984-06-26 N/A
Tim Huisman letter to Thomas Kent regarding Common Loon sighting, August 10, 1983 Correspondence Field notes Bird watching 1983-08-10 N/A
Tim Gates letter to Vernon M. Kleen regarding bird sightings, March 3, 1980 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Accipitridae | Hawks and Eagles Ornithology--Methodology Bombycillidae | Waxwings 1980-03-03 N/A
Tim Gates letter to Thomas H. Kent regarding bird sightings, June 2, 1980 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1980-06-02 N/A