Title Genres Topics Date (Start) Date (End)
Field notes, photograph, and letter to James J. Dinsmore contributed by Ed Thelen, summer 2002 Correspondence Field notes Photographs Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 2002-06-01 2002-07-31
Field reports form for submitting seasonal observations of Iowa birds, Robert VanErsvelde and Connie VanErsvelde, summer 2002 Field notes Forms (documents) Bird watching Birds--Counting Birds--Nests 2002-06-01 2002-07-31
Walter Rosene daily journal, 1922 Diaries Field notes Bird watching Birds--Nests Weather 1922-01-01 1922-12-31