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
Field notes, Amaqua Township and Council Bluffs, fall 1974 Correspondence Field notes Bird watching Birds--Migration 1974-08-01 1974-11-30
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
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
Red Rock Reservoir spring migration, May 29, 1974 Field notes Bird watching Birds--Habitat Birds--Migration Habitat (Ecology) 1974-05-29 N/A
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
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
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
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
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
Winter report for Council Bluffs, Iowa and surrounding area, 1974 Field notes Bird watching 1973-12-01 1974-02-28
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 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
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