Title Genres Topics Date (Start) Date (End)
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
Winter censuses, Ames, Iowa, January-March 1971 Field notes Charts (graphic documents) Bird watching Birds--Counting Birds--Migration 1971-01-16 1971-03-07
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
Iowa Ornithologists' Union, Quarterly field report, and Council Bluffs field notes, winter 1974-1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration Fringillidae | Finches 1974-12-01 1975-02-28
Peter C. Petersen letter to Woodward H. Brown, regarding fall migration 1975, December 9, 1975 Correspondence Field notes Bird watching Birds--Counting Birds--Migration 1975-12-09 N/A
Gladys Black letter to Vernon Kleen regarding Red Rock Refuge and the Evening Grosbeak invasion, February 1976 Correspondence Field notes Maps (documents) Bird populations Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-02-01 1976-02-29
Gladys Black's notes on Red Rock Lake and Refuge and Pleasantville winter bird sightings Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology N/A N/A
Richard DeCoster letter to Vernon Kleen regarding Iowa bird observations for winter 1975/1976, April 2, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-02 N/A
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds observed near Iowa City, April 1, 1976 Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-04-01 N/A
Notes for additional birds observed in the Iowa City area, winter 1975 Field notes Bird watching Birds--Counting 1975-12-10 N/A
W. Ross Silcock letter to Vernon M. Kleen regarding bird observations for winter 1975/1976, undated Correspondence Field notes Bird watching Birds--Counting Ornithology--Methodology N/A N/A
Cedar Rapids Area Field Notes Field notes Bird watching Birds--Counting N/A 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 and Iowa Northern Shrikes checklist, February 8, 1977 Checklists Correspondence Field notes Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
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 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
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
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
Iowa Snowy Owls, 1976-1977 contributed by Gladys Black Field notes Maps (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1976-12-01 1977-02-28
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
Gladys Black letter to Vernon M. Kleen regarding bird sightings, January 10, 1977 Correspondence Field notes Maps (documents) Bird declines Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1977-01-10 N/A
Bird sightings contributed by Rich DeCoster, February 15, 1977 Field notes Bird watching Birds--Counting Birds--Research 1977-02-15 N/A
Field notes contributed by Michael C. Newlon and Carol Newlon, winter, 1976-1977 Field notes Bird watching Birds--Counting Accipitridae | Hawks and Eagles Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures 1976-12-01 1977-02-28
Field notes contributed by Joe Schaufenbuel, February 11, 1977 Field notes Bird watching Birds--Counting 1977-02-11 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