Title Genres Topics Date (Start) Date (End)
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
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