Title Genres Topics Date (Start) Date (End)
Althea Sherman letter to Philip DuMont regarding the "Birds of Polk County, Iowa", January 5, 1932 Correspondence Bird surveys Ornithology--Methodology Ornithological literature 1932-01-05 N/A
Birds of Polk County Iowa Reports Publications (documents) Bird surveys Ornithology--Bibliography Ornithology--Methodology 1931-10-01 1931-10-31
Breeding Bird Atlas notes Bird populations Bird surveys Environmental monitoring 1994-01-01 1996-12-31
Breeding Bird Atlas meeting notes, July 28, 1992 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1992-07-28 N/A
Summary of the Iowa Breeding Bird Atlas and highlights of the Federal Species of Management Concern, March 1, 1992 Administrative reports Maps (documents) Bird populations Bird surveys Environmental monitoring 1992-03-01 N/A
Breeding Bird Atlas meeting minutes, May 4, 1993 Maps (documents) Research notes Bird surveys Meetings Environmental monitoring 1993-05-04 N/A
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Comparison of Duck situation in Iowa in 1933 and 1934 Reports Bird surveys Birds--Habitat Rallidae | Rails Ducks--Counting Water levels 1933-01-01 1934-12-31
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
1990 Breeding Bird Atlas block assignments Research notes Bird surveys Environmental monitoring 1990-06-13 N/A
Meeting agenda for the Breeding Bird Atlas Committee, December 15, 1991 Administrative records Bird populations Bird surveys Meetings Environmental monitoring 1991-12-15 N/A
John Fleckenstein letter to the Breeding Bird Atlas Committee members regarding the project, September 4, 1991 Correspondence Bird populations Bird surveys Environmental monitoring 1991-09-04 N/A
Documents regarding the Breeding Bird Atlas project Administrative records Printed ephemera Maps (documents) Bird populations Bird surveys Environmental monitoring 1991-10-09 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
Barred owl Maps (documents) Bird populations Bird surveys Environmental monitoring 1990-01-01 1991-12-31
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
Breeding Bird Atlas results Research notes Bird populations Bird surveys Environmental monitoring 1991-09-10 N/A
Breeding Bird Atlas update Research notes Bird populations Bird surveys Environmental monitoring 1990-05-11 N/A
Bird species confirmed nesting in Iowa for Iowa Breeding Bird Atlas Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-05-30 N/A
Breeding bird survey routes in Breeding Bird Atlas blocks Research notes Bird surveys Environmental monitoring 1991-05-01 1991-05-31
Bruce Ehresman letter to the Breeding Bird Atlas coordinator, December 5, 1990 Correspondence Bird populations Bird surveys Environmental monitoring 1990-12-05 N/A
Press release for Breeding Bird Atlas Project Press releases Bird populations Bird surveys Birds--Conservation Environmental monitoring 1987-03-01 N/A
Christmas census, Des Moines Audubon Society, December 26, 1925 Field notes Reports Drafts (documents) Bird surveys Bird watching Birds--Counting Weather 1925-12-26 N/A
Hairy Woodpecker logs, Woodward Hart Brown, 1950-1977 Field notes Research notes Surveys (documents) Bird surveys Bird watching Birds--Counting Weather 1950-01-01 1977-12-31
Ames Audubon Newsletter, February 1971 Newsletters Bird surveys Bird watching Birds--Counting Habitat (Ecology) Ornithology--Societies, etc 1971-02-01 1971-02-28