Title Genres Topics Date (Start) Date (End)
Peter C. Petersen letter to Carl Bendorf regarding spring birding report for IOU quarterly field report spring 1991, May 31, 1991 Correspondence Field notes Bird watching Birds--Identification Birds--Nests Rare birds 1991-05-31 N/A
Field reports form for submitting seasonal observations of Iowa birds, Jim Sinclair, summer 1991 Field notes Forms (documents) Bird watching Birds--Food Birds--Identification Birds--Nests Birdsongs Birds--Infancy 1991-06-01 1991-07-31
Field reports form for submitting seasonal observations of Iowa birds, Douglas Rose, summer 1991 Field notes Forms (documents) Bird watching Birds--Nests Weather Birds--Infancy 1991-06-01 1991-07-31
Letter and field checklists of Iowa birds, Randall Pinkston, August 2, 1991 Checklists Correspondence Field notes Bird feeders Bird watching Birds--Nests Weather Birds--Infancy Ducklings 1991-08-02 N/A
Field notes contributed by Dean Mosman, summer 1991 Field notes Bird watching Birds--Nests Birdsongs Birds--Infancy 1991-06-01 1991-07-31
Field notes contributed by Sharon Laub, summer 1991 Field notes Forms (documents) Bird feeders Bird watching Birds--Counting Birds--Identification Birds--Nests 1991-06-01 1991-07-31
Field reports form for submitting seasonal observations of Iowa birds, Matthew Kenne, summer 1991 Field notes Forms (documents) Bird watching Birds--Nests Birdsongs Nest building Charadriidae | Plovers Scolopacidae | Sandpipers, Phalaropes, and allies Birds--Infancy Birds--Feeding and feeds Water levels 1991-06-01 1991-07-31
Bery Engebretsen letter to James J. Dinsmore regarding bird sightings, August 2, 1991 Correspondence Field notes Bird watching Birds--Nests Birdsongs Weather 1991-08-02 N/A
Field notes contributed by Stephen J. Dinsmore , summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Nest building Parulidae | Warblers Birds--Infancy 1991-06-01 1991-07-31
Field notes contributed by Stephen J. Dinsmore, summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 1991-06-01 1991-07-31
Field notes contributed by James J. Dinsmore, summer 1991 Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs 1991-06-01 1991-07-31
Field notes contributed by Dennis L. Carter, July 31, 1991 Field notes Bird watching Birds--Nests Birdsongs Nest building Scolopacidae | Sandpipers, Phalaropes, and allies Weather Birds--Infancy 1991-07-31 N/A
Field reports, Jim Sinclair, spring 1991 Field notes Forms (documents) Bird watching Birds--Identification Birds--Nests Rare birds 1991-03-01 1991-05-31
Field reports, Ann Johnson, summer 1990 Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests Weather 1990-06-01 1990-07-31
Field reports, Matt Baumann, spring 1991 Field notes Bird watching Birds--Identification Birds--Nests 1991-03-01 1991-06-02
Field reports, Sharon Laub, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Birdsongs Rare birds 1990-08-01 1990-11-30
Lanny Haldy letter to Carl Bendorf regarding bird sightings for the Amana, IA area, August 22, 1990 Correspondence Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Nests Phalacrocoracidae | Cormorants Gaviiformes | Loons 1990-08-22 N/A
Field reports, Jan L. Walter, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Birds--Nests Weather 1990-06-01 1990-07-31
Jim Sinclair letter to Jim Dinsmore regarding summer field reports for IOU quarterly field reports for summer 1990, July 31, 1990 Correspondence Field notes Bird watching Birds--Identification Birds--Nests 1990-07-31 N/A
Field reports, Douglas L. Rose, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Eggs Birds--Identification Birds--Nests Photography of birds Rare birds Weather 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, Darwin Dean Mosman, summer 1990 Field notes Bird watching Birds--Breeding Birds--Identification Birds--Nests 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, 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