Title Genres Topics Date (Start) Date (End)
Darwin Koenig letter to Thomas H. Kent regarding fall bird sightings, December 2, 1998 Correspondence Field notes Bird watching Birds--Counting 1998-12-02 N/A
Field notes and letter to Thomas H. Kent contributed by Pam Allen and Reid I. Allen, December 2, 1998 Correspondence Field notes Reports Bird watching Birds--Behavior Birds--Counting Birds--Identification 1998-12-02 N/A
Bery Engebretsen letter to Thomas H. Kent regarding fall bird sightings, December 5, 1998 Correspondence Field notes Bird banding Bird watching Birds--Counting 1998-12-05 N/A
Robert Gruenewald letter to Thomas H. Kent regarding details on fall bird sightings, December 7, 1998 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birdsongs 1998-12-07 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 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
Will Fields email to James J. Dinsmore regarding bird sightings, August 11, 2001 Correspondence Field notes Bird watching Birds--Counting Birds--Identification Birds--Nests Birds--Infancy 2001-08-11 N/A
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
Darwin Koenig letter to James J. Dinsmore regarding summer bird sightings, July 31, 2002 Correspondence Field notes Bird watching Birds--Counting Birds--Nests 2002-07-31 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, July 29, 2003 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 2003-07-29 N/A
Darwin Koenig letter to James J. Dinsmore regarding bird sightings, summer 2004 Correspondence Field notes Bird watching Birds--Counting Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Parulidae | Warblers Birds--Infancy 2004-06-01 2004-07-31
Dennis L. Carter letter to James J. Dinsmore regarding summer bird sightings, August 1, 2005 Correspondence Field notes Bird watching Birds--Counting Birds--Infancy 5005-08-01 N/A