Title Genres Topics Date (Start) Date (End)
Carl J. Bendorf letter to Peter C. Petersen regarding potential sighting of a Long-tailed duck, January 31, 1977 Correspondence Field notes Bird watching Birds--Identification 1977-01-31 N/A
Gladys Black letter to Nicholas S. Halmi regarding Snowy Owl count, February 1, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-01 N/A
Winter bird count from reports across the state contributed by Gladys Black, February 9, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research 1977-02-09 N/A
Marie Carlson letter to Nicholas S. Halmi regarding bird sightings, February 9, 1977 Correspondence Field notes Bird declines Bird populations Bird watching Birds--Research Ornithology--Methodology 1977-02-09 N/A
John Van Dyk letter to Nicholas S. Halmi regarding bird sightings, February 12, 1977 Correspondence Field notes Bird populations Bird watching Rare birds 1977-02-12 N/A
Joe Schaufenbuel letter to Nicholas S. Halmi regarding a Cooper's Hawk sighting, February 12, 1977 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification 1977-02-12 N/A
Peter C. Petersen letter to Nicholas S. Halmi regarding bird sightings, February 13, 1977 Correspondence Field notes Bird banding Bird watching Birds--Identification 1977-02-13 N/A
Peter C. Peterson letter to Nicholas S. Halmi regarding bird sighitings, February 13, 1977 Correspondence Field notes Bird watching Birds--Behavior Birds--Identification Rare birds 1977-02-13 N/A
Gene Burns letter to Nicholas S. Halmi regarding bird sightings, February 13, 1977 Correspondence Field notes Bird populations Bird watching Binoculars 1977-02-13 N/A
Betty Walters letter to Nicholas S. Halmi regarding bird sightings, February 14, 1977 Correspondence Field notes Bird watching Fringillidae | Finches 1977-02-14 N/A
Dean Mosman letter to Nicholas S. Halmi regarding bird sightings at Saylorville Dam, February 14, 1977 Correspondence Field notes Bird declines Bird watching Birds of prey 1977-02-14 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings, February 14, 1977 Correspondence Field notes Bird populations Bird watching Birds--Counting Birds--Research 1977-02-14 N/A
W. Ross Silcock letter to Nicholas S. Halmi regarding field notes, February 14, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Identification 1977-02-14 N/A
Ione Getscher letter to Nicholas S. Halmi regarding bird sightings, February 15, 1977 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1977-02-15 N/A
Herb Dorow letter to Nicholas S. Halmi regarding bird sightings, February 15, 1977 Correspondence Field notes Bird declines Bird watching 1977-02-15 N/A
Charlotte Scott letter to Nicholas S. Halmi regarding bird sightings, February 17, 1977 Correspondence Field notes Bird watching Birds--Counting 1977-02-17 N/A
Robert W. Nero letter to Gladys Black regarding Snowy Owl migration, February 21, 1977 Correspondence Field notes Bird watching Birds--Food Birds--Migration Weather 1977-02-21 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts, February 23, 1977 Correspondence Field notes Bird watchers Bird watching Birds--Counting Women conservationists 1977-02-23 N/A
Gladys Black letter to Nicholas S. Halmi regarding sightings of Snowy Owls and a Goshawk, February 25, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-02-25 N/A
Peter C. Petersen post card to Nicholas S. Halmi regarding an update on bird sightings, February 28, 1977 Correspondence Field notes Bird watching 1977-02-28 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird counts of Snowy Owl and Northern Shrike, February 28, 1977 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1977-02-28 N/A
Gladys Black letter to Vernon M. Kleen regarding Snowy Owl counts, March 5, 1977 Correspondence Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-03-05 N/A
Gladys Black letter to Nicholas S. Halmi, regarding bird sightings, March 6, 1977 Correspondence Field notes Bird populations Bird watching Birds of prey Birds--Food Birds--Habitat Wit and humor 1977-03-06 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 18, 1977 Correspondence Field notes Bird watching Birds--Behavior Anseriformes | Ducks, Geese, and Swans Predation (Biology) 1977-03-18 N/A
Gladys Black letter to Nicholas S. Halmi regarding bird sighting reports, March 24, 1977 Correspondence Field notes Bird watching Birds--Research Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology 1977-03-24 N/A