Title Genres Topics Date (Start) Date (End)
Photograph of a Wood Duck duckling diving from a duck house Photographs Birds--Research Birdhouses Ducklings Wood duck--Behavior 1971-07-01 1971-07-31
Iowa Ornithologists' Union, field report compiled data, House Wren, 1971-1982 Field notes Bird watching Birds--Counting Birds--Nests Birdsongs Birds--Research Birds--Infancy 1971-10-25 1982-10-10
Iowa Ornithologists' Union, field report compiled data, American Woodcock, 1971-1983 Field notes Bird watching Birds--Counting Birds--Eggs Birds--Nests Birdsongs Birds--Research Birds--Infancy 1971-11-11 1983-07-13
Iowa Ornithologists' Union, field report compiled data, Northern Shoveler, 1972-1983 Field notes Bird watching Birds--Counting Birds--Research 1972-03-12 1983-06-06
Iowa Ornithologists' Union, field report compiled data, Greater Yellowlegs, 1972-1983 Field notes Bird watchers Birds--Counting Birds--Research 1972-03-18 1983-07-31
Field notes for American birds, summer 1972 Field notes Bird banding Bird watching Birds--Research Rare birds 1972-08-22 N/A
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
Gladys Black letter to Vernon M. Kleen regarding her sighting of Clark's Nutcracker, March 5, 1973 Correspondence Bird watching Birds--Research Ornithology--Methodology 1973-03-05 N/A
Iowa Ornithologists' Union, field report compiled data, Ovenbird, 1973-1983 Field notes Bird watching Birds--Counting Birds--Research 1973-04-21 1983-07-05
Iowa Ornithologists' Union, Quarterly field report, fall 1973 Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1973-08-01 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
Iowa Ornithologists' Union, field report compiled data, Virginia Rail, 1973-1983 Field notes Bird watching Birds--Counting Birds--Research 1973-10-05 1983-05-21
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
Gladys Black letter and report to Vernon M. Kleen regarding winter Red Rock Lake area bird sightings, March 6, 1974 Correspondence Field notes Bird populations Bird watching Birds--Nests Birds--Research 1974-03-06 N/A
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
Melba Wigg letter and report to Vernon M. Kleen regarding spring migration bird sightings near Council Bluffs, June 6, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-06-06 N/A
Iowa Ornithologists' Union, field report compiled data, Clay-colored Sparrow, 1974-1983 Field notes Bird watching Birds--Counting Birds--Research 1974-07-15 1983-05-23
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
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1974, November 30, 1974 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1974-11-30 N/A
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
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
Council Bluffs, Iowa spring 1975 migration report Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 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
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
Robert Jessen letter and checklist to Vernon M. Kleen regarding winter birds sighted in Mahaska County, April 2, 1975 Checklists Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1975-04-02 N/A