Title Genres Topics Date (Start) Date (End)
Margaret Brooke letter to Thomas Kent regarding a Worm-eating Warbler sighting, May 20, 1981 Correspondence Field notes Recurvirostridae | Avocets and Stilts Bird watching Birdsongs 1981-05-20 N/A
Margaret Kohlman letter to Oscar Allert regarding Peregrine Falcon sightings, May 29, 1939 Correspondence Field notes Bird watching Birds--Identification Stamp collecting 1939-05-29 N/A
Margaret M. Anderson memorandum to district leaders regarding Bald Eagle banding and nests, May 24, 1984 Correspondence Bird banding Birds--Nests 1984-05-24 1984-08-01
Marian M. Brewer letter to Mr. Dinsmore regarding field notes, July 29, 1985 Correspondence Field notes Forms (documents) Bird kills Bird watching Birds--Identification Birds--Nests Birds--Feeding and feeds 1985-07-29 N/A
Maridel Jackson letter to James J. Dinsmore regarding summer bird sightings, July 26, 1993 Correspondence Field notes Bird watching Birds--Behavior Birds--Nests Birds--Infancy 1993-07-26 N/A
Maridel Jackson letter to Thomas Kent regarding bird highlights, June 3, 1998 Correspondence Field notes Bird watching 1998-03-01 1998-05-31
Marie Carlson letter to Nicholas S. Halmi regarding bird sightings, February 9, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Research Ornithology--Methodology 1977-02-09 N/A
Marie E. Spears Tiemann and Jean B. Braley letter to James J. Dinsmore regarding summer bird sightings, July 31, 1997 Correspondence Field notes Bird declines Bird watching Birds--Nests 1997-07-31 N/A
Marie E. Spears Tiemann and Jean B. Braley letter to Thomas H. Kent regarding bird sightings, June 2, 1997 Correspondence Field notes Bird watching Birds--Migration Birdsongs 1997-06-02 N/A
Marie E. Spears Tiemann letter to Carl J. Bendorf regarding a Turkey Vulture sighting, November 27, 1987 Correspondence Field notes Bird watching Birds--Identification 1987-11-27 N/A
Marie E. Spears Tiemann letter to Thomas H. Kent regarding bird sightings, November 30, 1996 Correspondence Field notes Bird feeders Bird watching Birds--Infancy 1996-11-30 N/A
Marie Tiemann letter to Jim Dinsmore regarding summer sightings, August 3, 1994 Correspondence Field notes Bird watching Birdsongs 1994-08-03 N/A
Marion Brewer letter to Thomas Kent regarding Marbled Godwit, October 25, 1983 Correspondence Field notes Bird watchers Bird watching 1983-10-25 N/A
Marion M. Brewer letter to Nicholas S. Halmi regarding fall migration, 1976 Correspondence Field notes Bird watching Birds--Research 1976-10-27 N/A
Mark D. Bro letter to James J. Dinsmore regarding photographs of a Short-eared Owl and an unusual Northern Cardinal, August 1, 1988 Correspondence Ornithology--Societies, etc Photography of birds 1988-08-01 N/A
Mark Miller email to Jim Dinsmore regarding Barn Owl sighting, June 26, 1998 Correspondence Field notes Bird watching 1998-06-01 1998-07-31
Mark Orsag email to Ann Johnson regarding Prairie Falcon sightings, November 11, 1999 Correspondence Field notes Bird watching Birds--Identification 1999-11-11 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 Orsag forwarded email to Thomas H. Kent regarding a Hawk watch at Hitchcock Nature Area, fall 1998 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1998-08-01 1998-11-30
Mark Proescholdt letter to James J. Dinsmore regarding a trip to northwest Iowa and bird sightings, June 26, 1987 Correspondence Field notes Bird watching Birding sites Ornithology--Methodology 1987-06-26 N/A
Mark Proescholdt letter to Thomas Kent regarding Saw-whet Owl sighting, November 30, 1985 Correspondence Field notes Bird watching 1985-11-30 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
Martha Waterman letter to Thomas H. Kent regarding a possible Great Gray Owl sighting, February 16, 1996 Correspondence Field notes Bird watching Birds--Habitat Birds--Identification Owls--Behavior 1996-02-16 N/A
Martin Grant letter to George Hendrickson regarding Checklist of Iowa Birds, June 25, 1956 Correspondence Bird watching Birds--Nomenclature Layout (Printing) 1956-06-25 N/A