Title Genres Topics Date (Start) Date (End)
Field reports, Diane Porter, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Rare birds Weather 1989-08-01 1989-11-30
Field reports, Douglas C. Harr, spring 1991 Field notes Forms (documents) Bird watching Birds--Identification Birds--Migration Rare birds Weather 1991-03-01 1991-05-31
Field reports, Douglas Harr, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Birds--Migration Scolopacidae | Sandpipers, Phalaropes, and allies Weather 1989-08-01 1989-11-30
Field reports, Douglas L. Rose, fall 1989 Field notes Forms (documents) Birds--Counting Birds--Identification Photography of birds Rare birds Weather 1989-08-01 1989-11-30
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, Douglas Rose, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Gordon Brand, fall 1990 Field notes Bird watching Birds--Identification Passeriformes | Perching-birds and songbirds Rare birds Weather 1990-08-01 1990-11-30
Field reports, Gordon J. Brand, 1990 Field notes Bird watching Birds--Nests Water birds Weather 1990-06-16 1990-07-27
Field reports, Gordon James Brand, fall 1989 Field notes Animal migration--Climatic factors Bird watching Birds--Identification Weather 1989-08-01 1989-11-30
Field reports, James L. Hansen, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1989-08-01 1989-11-30
Field reports, Jan L. Walter, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Threskiornithidae | Ibises Water birds Weather 1989-08-01 1989-11-30
Field reports, Jan L. Walter, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Jan L. Walter, spring 1991 Field notes Forms (documents) Bird watching Birds--Identification Rare birds Charadriiformes | Shore-birds, Gulls, and Auks Weather 1991-03-01 1991-05-31
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
Field reports, John Van Dyk, fall 1990 Correspondence Field notes Bird declines Bird watching Birds--Identification Rare birds Parulidae | Warblers Weather 1990-08-01 1990-12-01
Field reports, Jon Stravers, fall 1989 Field notes Bird watching Birds--Identification Weather 1989-10-07 1989-10-31
Field reports, Kim L. Pinneke, spring 1991 Field notes Bird watching Birds--Identification Rare birds Weather 1991-03-01 1991-05-31
Field reports, Loretta M. Pursel, fall 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1989-08-01 1989-11-30
Field reports, Mary Jo Hartogh, summer 1990 Field notes Bird watching Birds--Identification Birdsongs Weather 1990-06-01 1990-07-31
Field reports, Matt Kenne, fall 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Rare birds Weather 1990-08-01 1990-11-30
Field reports, Matthew Kenne, spring 1991 Field notes Forms (documents) Bird watching Birds--Identification Rare birds Weather 1991-03-01 1991-05-31
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, Rita E. Efta, fall 1990 Field notes Forms (documents) Bird feeders Bird watching Birds--Behavior Birds--Counting Birds--Identification Weather 1990-08-01 1990-11-30
Field reports, several observers, fall 1989 Field notes Bird watching Birds--Identification Birds--Migration Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Charadriiformes | Shore-birds, Gulls, and Auks Weather 1989-08-01 1989-11-30
Field reports, Sharon Laub, summer 1990 Field notes Forms (documents) Bird watching Birds--Counting Birds--Identification Weather 1990-06-01 1990-07-31