Title Genres Topics Date (Start) Date (End)
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, 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
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 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
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
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
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
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
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
Iowa Ornithologists' Union, Quarterly field report, fall 1974 Field notes Bird watching Birds--Migration 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, 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