Title Genres Topics Date (Start) Date (End)
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 K. Thompson letter to Nicholas S. Halmi regarding spring bird sightings and checklists, May 30, 1979 Checklists Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-05-30 N/A
Fred Lesher letter to Nicholas S. Halmi regarding bird sightings, March 26, 1979 Correspondence Field notes Bird watching Birds--Counting Parulidae | Warblers 1979-03-26 N/A
Fred Lesher letter to Vernon M. Kleen regarding bird sightings, February 8, 1979 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1979-02-08 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, June 8, 1977 Correspondence Field notes Bird watching Birds--Counting Charadriiformes | Shore-birds, Gulls, and Auks 1977-06-08 N/A
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Ione Getscher letter to Nicholas S. Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Counting 1978-06-01 1978-07-31
Jane Clark letter to Thomas H. Kent regarding fall bird sightings, December 5, 1997 Correspondence Field notes Bird watching Birds--Counting 1997-12-05 N/A
Ken Lowder letter to Nicholas S. Halmi regarding spring bird sightings, June 5, 1979 Correspondence Field notes Bird watching Birds--Counting 1979-06-05 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
Mary R. Musgrove letter to Thomas H. Kent regarding winter bird sightings, December 16, 1982 Correspondence Field notes Bird watching Birds--Counting Hunting 1982-12-16 N/A
Neil Bernstein letter to Carl J. Bendorf regarding August bird sightings, fall 1987 Correspondence Field notes Bird watching Birds--Counting Ornithology--Study and teaching 1987-08-01 1987-11-30
Neil Bernstein letter to James J. Dinsmore regarding additional summer bird sightings, summer 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Eggs 1997-06-01 1997-07-31
Neil Bernstein letter to James J. Dinsmore regarding fall bird sightings, August 11, 1987 Correspondence Field notes Bird watching Birds--Counting Ornithology--Study and teaching 1987-08-11 N/A
Neil Bernstein letter to James J. Dinsmore regarding summer bird sightings, summer 1993 Correspondence Field notes Bird declines Bird watching Birds--Behavior Birds--Counting Birds--Identification Birds--Migration Birdsongs 1993-06-01 1993-07-31
Neil Bernstein letter to James J. Dinsmore regarding summer bird sightings in northwest Iowa, June 24, 1997 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 1997-06-24 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds observed near Iowa City, April 1, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-01 N/A
Pam Allen and Reid I. Allen letter to James J. Dinsmore regarding summer bird sightings, August 3, 1992 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Infancy 1992-08-03 N/A
Pam Allen and Reid I. Allen letter to Thomas H. Kent regarding spring bird sightings, June 12, 1996 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1996-06-12 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, December 2, 1978. Correspondence Field notes Bird watching Birds--Counting 1978-12-02 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding winter bird sightings, February 10, 1979 Correspondence Field notes Bird feeders Bird watching Birds--Counting Birds--Research Anseriformes | Ducks, Geese, and Swans Laridae | Gulls and Terns Accipitridae | Hawks and Eagles Fringillidae | Finches Water birds 1979-02-10 N/A
Peter C. Petersen letter to Thomas H. Kent regarding fall bird sightings, December 2, 1992 Correspondence Field notes Bird watching Birds--Counting 1992-12-02 N/A
Peter C. Petersen letter to Thomas H. Kent regarding summer bird sightings, August 4, 1981 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1981-08-04 N/A
Peter C. Petersen letter to Carl Bendorf regarding bird sightings for the IOU Quarterly Field Report, December 1, 1989 Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology Rare birds 1989-12-01 N/A