Title Genres Topics Date (Start) Date (End)
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 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
Documents regarding the Breeding Bird Atlas project Administrative records Printed ephemera Maps (documents) Bird populations Bird surveys Environmental monitoring 1991-10-09 N/A
Breeding Bird Atlas results Research notes Bird populations Bird surveys Environmental monitoring 1991-09-10 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
Breeding bird survey routes in Breeding Bird Atlas blocks Research notes Bird surveys Environmental monitoring 1991-05-01 1991-05-31
Big Bluestem Flyer, Volume 26, Number 6, February 1991 Newsletters Bird surveys Bird watching Birds--Counting Accipitridae | Hawks and Eagles Local government and environmental policy Ornithology--Societies, etc 1991-02-01 1991-02-28
Breeding Bird Atlas history Administrative records Bird populations Bird surveys Environmental monitoring 1991-01-01 1991-12-31
Big Bluestem Flyer, Volume 25, Number 5, January 1991 Newsletters Bird surveys Bird watching Birds--Counting Local government and environmental policy Ornithology--Societies, etc 1991-01-01 1991-01-31
Bruce Ehresman letter to the Breeding Bird Atlas coordinator, December 5, 1990 Correspondence Bird populations Bird surveys Environmental monitoring 1990-12-05 N/A
Big Bluestem Flyer, Volume 25, Number 4, December 1990 Forms (documents) Newsletters Bird feeders Bird surveys Bird watching Birds--Counting Local government and environmental policy Ornithology--Societies, etc Wildlife conservation Acid rain 1990-12-01 1990-12-31
Iowa Birdline update, June 18, 1990 Field notes Bird surveys Bird watching Birds--Nests Anseriformes | Ducks, Geese, and Swans Parulidae | Warblers Dial-a-message telephone calls 1990-06-18 N/A
1990 Breeding Bird Atlas block assignments Research notes Bird surveys Environmental monitoring 1990-06-13 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 Atlas update Research notes Bird populations Bird surveys Environmental monitoring 1990-05-11 N/A
Big Bluestem Flyer, Volume 24, Number 6, February 1990 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Acid rain 1990-02-01 1990-02-28
Barred owl Maps (documents) Bird populations Bird surveys Environmental monitoring 1990-01-01 1991-12-31
Iowa Birdline Update, January 1, 1990 Field notes Bird surveys Bird watching Anseriformes | Ducks, Geese, and Swans Dial-a-message telephone calls 1990-01-01 N/A
Erik Munson letter to the members of Big Bluestem Audubon Society regarding the Boone County Christmas Bird Count Correspondence Bird surveys Bird watching Birds--Counting 1990-01-01 1990-12-31
Big Bluestem Flyer, Volume 24, Number 5, January 1990 Newsletters Bird feeders Bird surveys Birds--Identification Habitat (Ecology) Ornithology--Societies, etc Wildlife habitat improvement Acid rain Prairie restoration 1990-01-01 1990-01-31
Breeding Bird Atlas block research data Research notes Bird populations Bird surveys Birds--Counting Environmental monitoring 1990-01-01 1991-12-31
Big Bluestem Flyer, Volume 24, Number 4, December 1989 Newsletters Bird surveys Bird watchers Bird watching Birds--Counting Birds--Identification Ornithology--Societies, etc 1989-12-01 1989-12-31
Big Bluestem Flyer, Volume 23, Number 6, February 1989 Newsletters Bird surveys Bird watching Birds--Counting Ornithology--Societies, etc Strigiformes | Owls Waterfowl Books--Reviews Acid rain 1989-02-01 1989-02-28
Iowa Birdline update, December 19, 1988 Field notes Bird banding Bird surveys Bird watching Dial-a-message telephone calls 1988-12-19 N/A
Big Bluestem Flyer, Volume 23, Number 4, December 1988 Newsletters Bird surveys Bird watching Birds--Counting Birdsongs Ornithology--Societies, etc Acid rain 1988-12-01 1988-12-31