Title Genres Topics Date (Start) Date (End)
Letter from James J. Dinsmore to Peter C. Petersen regarding bird sightings, August 3, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-03 N/A
Letter from Peter Petersen to Nicholas Halmi regarding bird sightings, August 23, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology Parulidae | Warblers 0976-08-23 N/A
Letter from Peter Peterson to Vernon Kleen containing bird sighting notes, May 23, 1976 Correspondence Field notes Bird watching Birds--Migration Birds--Research Anseriformes | Ducks, Geese, and Swans Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Parulidae | Warblers Trapping 1976-05-23 N/A
Letter from Richard DeCoster to Iowa Ornithologists' Union regarding bird sightings from June 1 to July 31, 1976 Correspondence Field notes Bird watching Birds--Research Accipitridae | Hawks and Eagles Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Parulidae | Warblers 1976-06-01 1976-07-31
Letter from Tom Staudt to Pete Petersen regarding bird sightings and locations, August 15, 1976 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1976-08-15 N/A
Letter from Woodward Brown to Nicholas Halmi regarding bird sightings, August 17, 1976 Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1976-08-17 N/A
Letter to Peter C. Petersen regarding bird summer sightings, July 24, 1963 Correspondence Field notes Bird banding Bird watching Birds--Research Ornithology--Methodology Wild animal collecting 1963-07-24 N/A
Letter to W. Ross Silcock regarding data tables for the Christmas bird count report, February 5, 1987 Correspondence Field notes Tables (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1987-02-05 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
Mark Proescholdt letter to James J. Dinsmore regarding a trip to northwest Iowa and bird sightings, June 26, 1987 Correspondence Field notes Bird watching Birding sites Ornithology--Methodology 1987-06-26 N/A
Mark Widrlechner letter to Boone County Bird Count Participants regarding the 1999 Christmas Bird Count results, January 9, 1999 Correspondence Field notes Bird surveys Bird watching Birds--Counting Ornithology--Methodology 1999-01-09 N/A
Mary R. Musgrove letter to Thomas H. Kent regarding spring bird sightings, April 29, 1983 Correspondence Field notes Bird watching Birds--Identification Birds--Migration Birds--Research Ornithology--Methodology Weather Country life 1983-04-29 N/A
Melba Wigg letter and report to Vernon M. Kleen regarding 1975 fall migration around Council Bluffs Iowa, December 1, 1975 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1975-12-01 N/A
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
Michael C. Newlon letter and notes to Vernon M. Kleen regarding fall migration, November 19, 1975 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks Fringillidae | Finches Troglodytidae | Wrens 1975-11-19 N/A
Michael C. Newlon letter to Thomas H. Kent regarding spring bird sightings, spring 1983 Correspondence Field notes Bird watching Birds--Identification Birds--Research Ornithology--Methodology 1983-03-01 1983-05-31
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
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
Nicholas S. Halmi letter to Vernon M. Kleen regarding birds sighted around Iowa City during fall 1975, December 1, 1975 Correspondence Field notes Bird watching Birds--Research Falconiformes | Hawks, Eagles, Falcons, Osprey, and Vultures Ornithology--Methodology Charadriiformes | Shore-birds, Gulls, and Auks 1975-12-01 N/A
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
North American nest-record card program, Doug Reeves, summer 1987 Field notes Forms (documents) Bird watching Birds--Habitat Birds--Nests Ornithology--Methodology Rare birds Birds--Infancy 1987-07-10 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, December 7, 1963 Correspondence Field notes Bird watching Birds--Research Ornithology--Methodology 1963-12-07 N/A
Pearl Knoop letter to Peter C. Petersen regarding bird sightings, June 10, 1964 Correspondence Field notes Bird populations Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1964-06-10 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, August 17, 1963 Correspondence Field notes Bird watching Birds--Migration Birds--Nests Birds--Research Ornithology--Methodology 1963-08-17 N/A
Pearl Knoop letter to Peter C. Petersen regarding fall migration, December 15, 1962 Correspondence Field notes Bird watching Birds--Migration Birds--Research Ornithology--Methodology 1962-12-15 N/A