Title Genres Topics Date (Start) Date (End)
Red Rock Lake, Red Rock Refuge, Iowa, spring 1973 Field notes Bird watching Birds--Nests Birds--Research Environmental monitoring 1973-03-01 1973-05-31
Ames Audubon Society Newsletter, May 1973 Newsletters Bird watching Birds--Migration Ornithology--Societies, etc Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Meetings 1973-05-01 1973-05-31
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during May-July 1973 Correspondence Field notes Bird populations Bird watching Birds--Behavior Birds--Habitat Rare birds 1973-05-01 1973-07-31
Ames Audubon Society September Newsletter, 1973, pages 1 and 3 Newsletters Bird watchers Bird watching Ornithology--Societies, etc Wildlife conservation Important bird areas 1973-09-01 1973-09-30
Iowa Ornithologists' Union, Quarterly field report, fall 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Nicholas S. Halmi letters to Vernon M. Kleen regarding birds observed during summer and fall 1973. Correspondence Field notes Bird watching Birds--Identification Feathers Habitat (Ecology) Rare birds 1973-06-01 1973-11-30
Polk County check-list of the observations of members of the Des Moines Audubon Society Checklists Field notes Maps (documents) Bird watching Birds--Migration Birds--Research 1973-11-01 1973-11-30
Lake Red Rock and Red Rock Refuge, fall migration, 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 1973-11-30
Winter report for Council Bluffs, Iowa and surrounding area, 1974 Field notes Bird watching 1973-12-01 1974-02-28
Ames Audubon Society April Newsletter, 1974 Newsletters Bird watching Ornithology--Societies, etc Meetings 1974-04-01 1974-04-30
Letter from Janet Greer to Vernon M. Kleen reporting a Snowy Egret, May 22, 1974. Correspondence Field notes Bird populations Bird watching Birds--Behavior 1974-03-01 1974-05-31
Letter and bird sighting checklist from Robert and Valerie Jessen to Vernon M. Kleen, spring migration 1974 Checklists Correspondence Field notes Bird banding Bird populations Bird watching Birds--Behavior Birds--Nests Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1974-03-01 1974-05-31
Letter from Robert Jessen to Vernon M. Kleen regarding birds sighted near Oskaloosa, summer 1974 Correspondence Field notes Bird watching Birds--Nests Birds--Research Troglodytidae | Wrens 1974-06-01 1974-07-31
Field notes, Amaqua Township and Council Bluffs, fall 1974 Correspondence Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Robert Jessen letter and checklist to Vernon M. Kleen regarding birds sighted during 1974 fall migration, December 1, 1974 Checklists Correspondence Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology 1974-08-01 1974-11-30
Iowa Ornithologists' Union, Quarterly field report, fall 1974 Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
Gladys Black letters to Vernon M. Kleen regarding fall migration and nesting season, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Habitat (Ecology) Radio and television tower bird strikes 1974-08-01 1974-11-30
Winter of 1974-75, Red Rock area and Pleasantville, Iowa field notes, and Snowy Owl reports Clippings (information artifacts) Correspondence Field notes Maps (documents) Bird kills Bird watching Birds--Research Ornithology--Methodology Weather 1974-12-01 1975-02-28
Field notes and map from Michael C. Newlon, Iowa City area, winter 1974-1975 Field notes Maps (documents) Bird watching Birds--Research Icteridae | Blackbirds, Orioles, Meadowlarks, and allies Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Fringillidae | Finches Water birds 1974-12-01 1975-02-28
Iowa Ornithologists' Union, Quarterly field report, and Council Bluffs field notes, winter 1974-1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Fringillidae | Finches 1974-12-01 1975-02-28
Ames Audubon Society February Newsletter, 1975 Newsletters Bird watching Birds--Identification Ornithology--Societies, etc Wildlife conservation 1975-02-01 1975-02-28
Ames Audubon Society March Newsletter, 1975 Newsletters Bird watching Birds--Migration Ornithology--Societies, etc 1975-03-01 1975-03-31
Iowa 1975 spring migration, Red Rock Refuge and Lake Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Rare birds 1975-03-01 1975-05-31
Spring records for birds sighted in the Iowa City area, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Parulidae | Warblers 1975-03-01 1975-05-31
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-03-01 1975-05-31