Title Genres Topics Date (Start) Date (End)
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
Gladys Black letter, field notes and map to Vernon M. Kleen regarding fall migration, 1975, Red Rock Lake and Refuge, December 10, 1975 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Migration Birds--Research Habitat (Ecology) Ornithology--Methodology Power-plants 1975-12-10 N/A
Gladys Black letter to Vernon M. Kleen regarding birds sighted during breeding season 1975, August 5, 1975 Correspondence Field notes Bird watching Birds--Nests Birds--Research Ornithology--Methodology Radio and television tower bird strikes 1975-08-05 N/A
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
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
W. Ross Silcock letter to Vernon M. Kleen regarding spring bird observations in Fremont County, July 11, 1975 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1975-07-11 N/A
Robert Jessen letter to Vernon M. Kleen regarding spring birds sighted near Oskaloosa, June 2, 1975 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology 1975-06-02 N/A
Robert Jessen letter to Vernon M. Kleen regarding birds sighted in Mahaska County during winter, April 2, 1974 Correspondence Field notes Bird banding Bird watching Birds--Counting Birds--Nests 1974-04-02 N/A
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
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
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
Red Rock Reservoir spring migration, May 29, 1974 Field notes Bird watching Birds--Habitat Birds--Migration Habitat (Ecology) 1974-05-29 N/A
Nicholas S. Halmi letter to Vernon M. Kleen reporting summer sightings, August 2, 1974 Correspondence Field notes Bird watching Birds--Migration Charadriiformes | Shore-birds, Gulls, and Auks Weather 1974-08-02 N/A
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, March 19, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Columbiformes | Doves and Pigeons Sittidae | Nuthatches Ornithology--Methodology 1966-03-19 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted during winter 1972-1973, including rare birds, March 20, 1973 Correspondence Field notes Bird populations Bird watchers Bird watching Birds--Habitat Birds--Migration Ornithology--Methodology Rare birds Country life 1973-03-20 N/A
Woodward H. Brown letter to Nicholas S. Halmi regarding shorebirds and others seen after the Red Rock flood pool receded, May 25, 1973 Correspondence Field notes Bird watching Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers Emberizidae | Sparrows 1973-05-25 N/A
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at the Red Rock Refuge and Pleasantville, Iowa area, August 15, 1973 Correspondence Field notes Bird watching Birds--Habitat Habitat (Ecology) 1973-08-15 N/A
Melba Wigg letter and report to Vernon M. Kleen regarding bird sightings in Pottawattamie and Mills Counties, Iowa, fall 1973 Correspondence Field notes Bird watching Rare birds 1973-12-07 N/A
Gladys Black letter to Vernon M. Kleen regarding changes in habitat and birds sighted at Red Rock Refuge during 1968-1970, April 7, 1971 Correspondence Field notes Bird watching Birds--Habitat Birds--Nests 1971-04-07 N/A
Report from Red Rock Refuge, Marion County, Iowa, 1971 fall migration Field notes Bird watching Birds--Migration Habitat (Ecology) 1971-11-30 N/A
Gladys Black letter to Peter C. Petersen regarding spring migration at Red Rock Refuge, June 12, 1970 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Birds--Nests 1970-06-12 N/A
Woodward H. Brown postcard to Peter C. Petersen regarding the sighting of a female Oldsquaw and an Ani in Cedar Rapids, December 12, 1966 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1966-12-12 N/A
Audubon field notes contributed by Woodward H. Brown, August 16, 1966 Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ciconiiformes | Herons, Bitterns, Egrets, Ibises, and Storks Ornithology--Methodology Parulidae | Warblers 1966-08-16 N/A
Audubon field notes contributed by Woodward H. Brown, June 6, 1966 Field notes Bird watching Birds--Migration Birds--Research Tyrannidae | Flycatchers Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Vireonidae | Vireos Parulidae | Warblers Weather 1966-06-06 N/A
Woodward H. Brown letter to Peter C. Petersen regarding winter migration, April 2, 1966 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1966-04-02 N/A