Title Genres Topics Date (Start) Date (End)
Field reports, Eugene and Eloise Armstrong, summer 1990 Field notes Bird watching Birds--Identification 1990-06-01 1990-07-31
Neil Bernstein letter to Jim Dinsmore regarding bird sightings for IOU quarterly field report for summer 1990, July 3, 1990 Correspondence Field notes Bird watching Birds--Behavior Birds--Conservation Birds--Identification Birds--Nests 1990-07-03 N/A
Field reports, Dennis Carter, summer 1989 Field notes Bird watching Birds--Behavior Birds--Identification 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, Jim Dinsmore, summer 1990 Field notes Bird watching Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Field reports, Steve Dinsmore, summer 1990 Field notes Bird watching Birds--Behavior Birds--Identification 1990-06-01 1990-07-31
Letter from Bery Engebretsen to James Dinsmore regarding bird sightings for the IOU quarterly field report summer 1990, August 1, 1990 Correspondence Field notes Bird watching Birds--Identification 1990-08-01 N/A
Photograph of Smith's Longspur, 1990 Field notes Photographs Bird watching Birds--Identification Photography of birds 1990-04-12 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
Kay Gramlich letter to James Dinsmore regarding sightings and feeding of pine siskin, August 2, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Feeding and feeds 1990-08-02 N/A
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, James L. Hansen, summer 1990 Field notes Forms (documents) Bird watching Birds--Identification Birdsongs 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, 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, Thomas Kent, summer 1990 Field notes Bird watching Birds--Behavior Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-29
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, Darwin Dean Mosman, summer 1990 Field notes Bird watching Birds--Breeding Birds--Identification Birds--Nests 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, Babs and Loren Padelford, summer 1990 Field notes Bird watching Birds--Identification Rare birds 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, Marietta Petersen, summer 1990 Field notes Bird watching Birds--Identification Passeriformes | Perching-birds and songbirds 1990-06-01 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
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, Diane C. Porter, summer 1990 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests 1990-06-01 1990-07-31
Carl Priebe letter to Jim Dinsmore regarding bird sighting for the IOU quarterly field report summer 1990, August 6, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Charadriiformes | Shore-birds, Gulls, and Auks Weather 1990-08-06 N/A