Title Genres Topics Date (Start) Date (End)
Iowa Birdline update, December 19, 1994 Correspondence Field notes Bird surveys Bird watching Dial-a-message telephone calls 1994-12-19 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
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
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