Title Genres Topics Date (Start) Date (End)
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
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