Title Genres Topics Date (Start) Date (End)
Rare bird documentation form for Buff-breasted Sandpiper at Sandpiper Beach in Saylorville Reservoir in 1990 Field notes Birds--Identification Ornithology Rare birds Wildlife conservation 1990-10-15 1990-10-18
Rare bird documentation form for Northern Goshawk at Lime Creek Nature Center, 1990 Field notes Birds--Identification Ornithology Rare birds Wildlife conservation 1990-10-13 1990-10-15
Rare bird documentation form for Ibis species at Huxley, 1990 Field notes Forms (documents) Birds--Identification Ornithology Rare birds 1990-09-09 1990-09-10
Photograph of Red Crossbill, 1990 Field notes Photographs Birds--Identification Photography of birds 1990-07-31 1990-08-01
Field reports, Sharon Laub, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1990-06-01 1990-07-31
Field reports, Mark Proescholdt, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Diane C. Porter, summer 1990 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Fourth Supplementary Breeding Bird Census of Big Sand Mound Nature Preserve, July 1990 Field notes Reports Bird watching Birds--Behavior Birds--Breeding Birds--Identification Birds--Migration Birds--Nests Weather 1990-07-01 1990-07-31
Field reports, Peter C. Petersen, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Marietta Petersen, summer 1990 Field notes Bird watching Birds--Identification Passeriformes | Perching-birds and songbirds 1990-06-01 1990-07-31
Field reports, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks 1990-06-01 1990-07-31
Field reports, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Rare birds 1990-06-01 1990-07-31
Field reports, Curt Nelson, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification 1990-06-01 1990-07-31
Field reports, Darwin Dean Mosman, summer 1990 Field notes Bird watching Birds--Breeding Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Field reports, Matthew Kenne, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Birds--Migration Birds--Nests Rare birds Weather 1990-06-01 1990-07-31
Field reports, Mary Jo Hartogh, summer 1990 Field notes Bird watching Birds--Identification Birdsongs Weather 1990-06-01 1990-07-31
Field reports, James L. Hansen, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Birdsongs 1990-06-01 1990-07-31
J. Donald Gillaspey letter to James Dinsmore regarding bird sightings in Lamoni, IA, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Field reports, Jim Fuller, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers 1990-06-01 1990-07-31
Photograph of Smith's Longspur, 1990 Field notes Photographs Bird watching Birds--Identification Photography of birds 1990-04-12 1990-07-31
Field reports, Steve Dinsmore, summer 1990 Field notes Bird watching Birds--Behavior Birds--Identification 1990-06-01 1990-07-31
Field reports, Jim Dinsmore, summer 1990 Field notes Bird watching Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Field reports, Bob Cecil, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Rare birds 1990-06-01 1990-07-31
Field reports, Dennis Carter, summer 1989 Field notes Bird watching Birds--Behavior Birds--Identification 1990-06-01 1990-07-31
Field reports, Eugene and Eloise Armstrong, summer 1990 Field notes Bird watching Birds--Identification 1990-06-01 1990-07-31