Title Genres Topics Date (Start) Date (End)
Jon Stravers letter to Nicholas S. Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Thomas J. Staudt letter to Nicholas S. Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Winter report, Cedar Rapids area Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Winter 1978 report Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Darwin Koenig letter to Nicholas S. Halmi regarding bird sightings Correspondence Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Winter birds which might be of interest, December 1, 1977 to February 9, 1978 Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Bird count list Field notes Bird watching Birds--Counting Birds--Research 1977-12-01 1978-02-28
Bird field report Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Field notes, Winter 1977-1978 Field notes Bird watching Birds--Research 1977-12-01 1978-02-28
Peter C. Petersen letters to Nicholas S. Halmi regarding bird sightings, February 12, 1978 Correspondence Field notes Bird watching Birds--Research 1978-02-12 1978-02-26
Iowa map with Snowy Owl sightings, 1976-1977 Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
1977 Iowa Christmas bird count summary Field notes Bird watching Birds--Counting Birds--Research 1977-01-01 1977-12-31
Winter Raptor survey, 1977 Field notes Maps (documents) Reports Bird surveys Bird watching Birds of prey Birds--Research Ornithology--Methodology 1977-12-01 1977-12-31
Bird sightings checklist, fall 1977 Checklists Field notes Bird watching Birds--Counting Birds--Research 1977-08-01 1977-11-30
Red Rock fall migration, 1977 Field notes Bird feeders Bird watching Birds--Migration Birds--Research 1977-08-01 1977-11-30
Iowa Ornithologists' Union, Quarterly field report, fall 1977 Field notes Bird banding Bird watching Birds--Eggs Birds--Nests Birdsongs Birds--Research Weather Birds--Infancy 1977-08-01 1977-11-30
Field records, May 31 to August 7, 1977 Field notes Bird watching Birds--Research 1977-05-31 1977-08-07
Field report Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Field reports, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Field report, summer, June 1 through July 31, 1977 Field notes Bird watching Birds--Habitat Birds--Research Weather 1977-06-01 1977-07-31
Field reports, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Summer bird report, 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Bird sightings checklist, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa Ornithologists' Union field check list, Betty Walters, summer 1977 Checklists Field notes Bird watching Birds--Research 1977-06-01 1977-07-31
Iowa Ornithologists' Union, Quarterly field report, summer 1977 Field notes Bird watching Birds--Research 1977-06-01 1977-07-31