Title Genres Topics Date (Start) Date (End)
Althea Sherman letter to Philip DuMont regarding the "Birds of Polk County, Iowa", January 5, 1932 Correspondence Bird surveys Ornithology--Methodology Ornithological literature 1932-01-05 N/A
Bruce Ehresman letter to the Breeding Bird Atlas coordinator, December 5, 1990 Correspondence Bird populations Bird surveys Environmental monitoring 1990-12-05 N/A
C. A. Stewart letter to multiple recipients regarding a revised check list for the birds of Iowa, February 3, 1950 Correspondence Forms (documents) Instructional materials Bird populations Bird surveys Bird watching Birds--Identification Ornithology--Methodology 1950-02-03 N/A
Documents regarding a Wood Duck study, 1963 Correspondence Questionnaires Bird surveys Bird watching Birds--Nests Birds--Research Ornithology--Methodology Ducklings 1963-01-01 1963-12-31
Documents regarding a Wood Duck study, February 27, 1964 Checklists Correspondence Questionnaires Bird surveys Bird watchers Birds--Nests Birds--Research Ornithology--Methodology Predatory animals Ducks--Counting Ducklings 1964-02-27 N/A
Erik Munson letter to the members of Big Bluestem Audubon Society regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting 1990-01-01 1990-12-31
Fred Lesher letter to Thomas H. Kent regarding a raptor survey and winter bird sightings, February 6, 1983 Correspondence Field notes Bird surveys Bird watching Birds--Research Ornithology--Methodology 1983-02-06 N/A
Fred Pierce letter to Philip DuMont regarding Christmas bird census, December 25, 1938 Correspondence Bird surveys Bird watching Ornithologists Families 1938-12-25 N/A
Frederic Leopold letter to Clarence Schneider regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Birds--Nests Ornithology--Methodology Birdhouses Ducks--Counting 1963-03-29 N/A
Frederic Leopold letter to Clarence W. Moody regarding a Wood Duck study, March 29, 1963 Correspondence Bird surveys Bird watching Birds--Nests Ornithology--Methodology Ducks--Counting 1963-03-29 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sightings, January 21, 1977 Correspondence Field notes Bird surveys Bird watching Birds--Identification Birds--Nests Birds--Research Turdidae | Thrushes 1977-01-21 N/A
Iowa Birdline update, December 19, 1994 Correspondence Field notes Bird surveys Bird watching Dial-a-message telephone calls 1994-12-19 N/A
James P. Sandrock letter to individuals involved in the Breeding Bird Atlas Project regarding publication details, November 1, 1994 Correspondence Bird populations Bird surveys Environmental monitoring 1994-11-01 N/A
John Fleckenstein letter to Richard E. Bird regarding photographs for the Breeding Bird Atlas, November 8, 1995 Correspondence Bird populations Bird surveys Photography of birds Environmental monitoring Publishers and publishing 1995-11-08 N/A
John Fleckenstein letter to Richard F. Trump regarding photographs for the Breeding Bird Atlas, May 18, 1993 Correspondence Bird populations Bird surveys Photography of birds Environmental monitoring Publishers and publishing 1993-05-18 N/A
John Fleckenstein letter to the Breeding Bird Atlas Committee members regarding the project, September 4, 1991 Correspondence Bird populations Bird surveys Environmental monitoring 1991-09-04 N/A
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 11, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-11 N/A
Letter to Carol A. Thompson regarding work on Breeding Bird Atlas, October 22, 1991 Correspondence Research notes Bird populations Bird surveys Environmental monitoring 1991-10-22 N/A
Letter to I.T. Bode regarding Waterfowl conditions that might affect Iowa, January 3, 1934 Correspondence Reports Bird surveys Birds--Counting Fowling Water levels Waterfowl 1934-01-03 N/A
Mark Orsag email to Thomas Kent regarding Hitchcock Nature Area Hawkwatch, December 20, 1999 Correspondence Field notes Bird surveys Bird watching Birds of prey Birds--Counting 1999-12-20 N/A
Mark Widrlechner letter to Boone County Bird Count Participants regarding the 1999 Christmas Bird Count results, January 9, 1999 Correspondence Field notes Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1999-01-09 N/A
Mark Widrlechner letter to Hank Zaletel regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1996-01-01 1996-12-31
Philip DuMont letter to William Bell regarding Starlings in Iowa, March 16, 1933 Correspondence Bird surveys Bird watching Birds--Counting Introduced birds 1933-03-16 N/A
Richard F. Trump letter to John Fleckenstein regarding photographs for the Breeding Bird Atlas, February 9, 1993 Correspondence Bird populations Bird surveys Photography of birds Environmental monitoring 1993-02-09 N/A
Sharon Steffens letter to Thomas H. Kent with incorporated field notes, May 29, 1985 Correspondence Field notes Bird populations Bird surveys Bird watching Birds--Nests Photography of birds 1985-05-29 N/A