Title Genres Topics Date (Start) Date (End)
Field notes contributed by Robert E. Thornburg, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Robert K. Myers with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-07-11 N/A
Field notes contributed by Ted LaGrange and Jim Gallagher, summer 1989 Field notes Reports Bird watching Birds--Counting Birds--Nests 1989-06-01 1989-07-31
Field notes contributed by Ted LaGrange, summer 1987 Field notes Reports Bird watching Birds--Counting 1987-06-01 1987-07-31
Field notes contributed by Thomas H. Kent with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-07-29 N/A
Field notes contributed by W. Ross Silcock, Ed Weiner, and Bart M. Ballard, summer 1987 Field notes Reports Bird watching Birds--Counting 1987-06-01 1987-07-31
Field notes contributed by Thomas H. Kent, July 18, 1987 Field notes Reports Bird watching Birds--Counting 1987-07-18 N/A
Field report contributed by Thomas H. Kent, July 30, 1997 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Infancy 1997-07-30 N/A
Field notes contributed by Paul Martsching, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Ed Weiner, summer 1987 Field notes Reports Bird watching Birds--Nests Birds--Infancy 1987-06-01 1987-07-31
Field notes and letter to James J. Dinsmore contributed by Richard Jule Hollis, summer 1987 Correspondence Field notes Reports Bird watching Birds--Counting Birds--Geographical distribution Birds--Identification Rare birds 1987-06-01 1987-07-31
Field notes contributed by Carl J. Bendorf with verifying documentation, summer 1981 Field notes Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Rare birds 1981-06-21 N/A
Field reports form for submitting seasonal observations of Iowa birds, Rita E. Efta, summer 1987 Field notes Forms (documents) Reports Bird banding Bird feeders Bird watching Birds--Counting Birds--Nests Weather 1987-06-01 1987-07-31
Field notes contributed by Erik Munson, summer 1987 Field notes Reports Bird watching Birds--Counting Birds--Eggs Birds--Nests 1987-06-01 1987-07-31
Field notes contributed by Dick Bierman, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Dean Mosman, summer 1989 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Infancy 1989-06-01 1989-07-31
Field notes contributed by Dean Mosman, summer 1992 Field notes Reports Bird kills Bird watching Birds--Nests Weather Birds--Infancy 1992-06-01 1992-07-31
Field notes contributed by Tanya Bray, summer 1981 Field notes Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-06-01 1981-07-31
Field notes contributed by Sharon Laub, summer 1987 Field notes Reports Bird watching Birds--Counting Weather Birds--Infancy 1987-06-01 1987-07-31
Field notes contributed by Marietta A. Petersen, summer 1992 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Infancy 1992-06-01 1992-07-31
Field notes contributed by Marietta Petersen, summer 1993 Field notes Reports Bird watching Birds--Counting Birds--Habitat 1993-06-01 1993-07-31
Field notes contributed by Bery Engebretsen, summer 1989 Field notes Reports Bird watching Birds--Identification Birds--Nests Birdsongs 1989-06-01 1989-07-31
Field notes contributed by Hank Zaletel, summer 1992 Field notes Reports Bird watching Birds--Counting 1992-06-01 1992-07-31
Field notes contributed by Hank Zaletel, summer 1993 Field notes Reports Bird watching Birds--Counting Birds--Nests Birds--Infancy 1993-06-01 1993-07-31
Field notes contributed by Hank Zaletel, summer 1997 Field notes Reports Bird watching Birds--Counting 1997-06-01 1997-07-31