Title Genres Topics Date (Start) Date (End)
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during the winter season, April 1, 1974 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Migration Citizen science 1974-04-01 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during winter season, April 5, 1975 Correspondence Field notes Bird watching Habitat (Ecology) Citizen science 1975-04-05 N/A
Man and birds Lecture notes Birds--Behavior Birds--Conservation Wildlife conservation--Law and legislation Citizen science 1934-02-20 N/A
Ames Audubon Newsletter, Volume 2, Number 7, December 3, 1969 Newsletters Bird banding Birds--Counting Ornithology--Societies, etc Citizen science 1969-12-03 N/A
Iowa Christmas bird count, winter 1976 Tables (documents) Bird watching Birds--Counting Birds--Identification Citizen science 1976-12-01 1977-02-28
Ames Audubon Society Newsletter, February 1977 Field notes Serials (publications) Bird watching Birds--Counting Ornithology--Societies, etc Citizen science Wildlife habitat improvement 1977-02-01 1977-02-28
Christmas count, 1980-81 Field notes Reports Bird populations Bird surveys Bird watching Birds--Counting Birds--Identification Winter Citizen science 1980-12-20 1981-01-04
Annotated bird sighting list for spring 1981 compiled by Gordon Brown Field notes Surveys (documents) Bird watching Passeriformes | Perching-birds and songbirds Charadriiformes | Shore-birds, Gulls, and Auks Spring Water birds Citizen science 1981-03-01 1981-05-31
Letter to Iowa Ornithologists' Union members regarding an Iowa Birdline Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-09-01 1981-09-30
Letter to members of the Iowa Ornithologists' Union announcing the Iowa Birdline is now in operation, December 1981 Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-12-01 1981-12-31
Letter to members of the Iowa Ornithologists' Union regarding setting up a Birdline Correspondence Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-06-01 1981-12-31
Iowa Birdline information provided to members of the Iowa Ornithologists' Union Administrative records Ornithology--Methodology Ornithology--Societies, etc Citizen science 1981-01-01 1981-12-31
Field notes contributed by Mark Dixon, spring 1984 Field notes Forms (documents) Bird watching Birds--Counting Citizen science 1984-03-01 1984-05-31
Iowa Birdline Annual Report, 1990 Annual reports Wildlife-related recreation Citizen science 1990-01-01 1990-12-31
Iowa Birdline Annual Report, 1992 Annual reports Wildlife-related recreation Citizen science 1992-01-01 1992-12-31
Iowa Birdline Annual Report, 1993 Annual reports Wildlife-related recreation Citizen science 1993-01-01 1993-12-31