Title Genres Topics Date (Start) Date (End)
Spring 1994 Iowa report, Peter Petersen Field notes Bird watching Birds--Identification Birdsongs 1994-03-01 1994-05-31
Spring 1994 Iowa field report, Chris Edwards Field notes Bird watching Birdsongs 1994-03-01 1994-05-31
Spring 1994 field reports, Ann Johnson Field notes Bird watching 1994-03-01 1994-05-31
Spring 1994 field report, Randy Pinkston Field notes Bird watching Birds--Identification Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Weather Waterfowl 1994-03-01 1994-05-31
Spring 1994 field report, Hank Zaletel Field notes Bird watching 1994-03-01 1994-05-31
Spring 1993, Paul Martsching Field notes Bird watching 1993-03-01 1993-05-31
Spring 1993 observations, Peter Petersen Field notes Bird watching Birdsongs 1993-03-01 1993-05-31
Spring 1993 late reports Field notes Bird watching Birds--Research Ornithology--Methodology 1993-06-09 N/A
Spring 1993 field reports, Ann Johnson Field notes Bird watching Birds--Identification Birdsongs 1993-03-01 1993-05-31
Spring 1993 field report, James Scheib Field notes Bird watching 1993-03-01 1993-05-31
Spring 1993 field report, Gordon Brand Field notes Bird watching Birds--Identification Birds--Migration Birdsongs Parulidae | Warblers Weather 1993-03-01 1993-05-31
Spring 1986 report, Peter C. Petersen Field notes Bird watching 1986-03-01 1986-05-31
Spring 1986 field reports, Steve Dinsmore Field notes Bird watching Birds--Identification Birds--Nests Birdsongs 1986-03-01 1986-05-31
Spring 1986 field reports, Jim Dinsmore Field notes Bird watching Photography of birds 1986-03-01 1986-05-31
Spring 1986 field reports from Richard J. Hollis Field notes Bird watching 1986-03-01 1986-05-31
Spring 1985 reports by Erik Munson Correspondence Field notes Bird watching Birds--Identification Photography of birds 1985-03-01 1985-05-31
Spring 1984 field reports contributed by Richard Jule Hollis Field notes Bird watching 1984-03-01 1984-05-31
Spring 1981 field reports Field notes Bird watching Birds--Identification 1981-06-02 N/A
Spring '86 field reports, Erik Munson Field notes Bird watching Birds--Eggs Birds--Nests Birdsongs 1986-03-01 1986-05-31
Species considered extinct in Iowa Research notes Bird watching Birds--Geographical distribution Extinct birds Rare birds Birds--Collection and preservation N/A N/A
Special spring bird census flyer Correspondence Fliers (printed matter) Bird surveys Bird watching Birds--Counting Birds--Migration 1970-05-10 N/A
Special sighting reports, Thomas Rosburg, summer 1987 Field notes Forms (documents) Bird watching Birds--Identification Birds--Nests Ornithology--Methodology Rare birds 1987-06-01 1987-07-31
Special sighting reports, Mark A. Dietzenbach, summer 1987 Field notes Forms (documents) Bird watching Birds--Habitat Birds--Identification Birdsongs Ornithology--Methodology Rare birds 1987-06-01 1987-07-31
Special sighting reports, George E. Crossley, summer 1987 Field notes Forms (documents) Bird watching Birds--Habitat Birds--Identification Birdsongs Ornithology--Methodology Rare birds 1987-06-01 1987-07-31
Special sighting reports, Doug Reeves, summer 1987 Field notes Forms (documents) Bird watching Birds--Behavior Birds--Habitat Birds--Identification Birdsongs Ornithology--Methodology Rare birds 1987-06-01 1987-07-31