Robert Jessen letter and checklist to Vernon M. Kleen regarding winter birds sighted in Mahaska County, April 2, 1975
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Checklists Correspondence Field notes
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Bird watching Birds--Identification Birds--Research Ornithology--Methodology
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1975-04-02
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N/A
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Manuscript, graphic, and printed material
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Robert Jessen letter and checklist sent to Vernon M. Kleen regarded winter birds sighted in Mahaska County, April 2, 1975. The letter noted that unusual birds seen were an Eastern Phoebe and a Dark-Eyed Junco, Oregon Race. These items were used as supporting documentation for the Iowa Ornithologists’ Union Quarterly field report of winter 1974-1975.
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Jessen, Robert
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Eastern Phoebe Dark-eyed Junco
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Mahaska County
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Iowa Ornithologists' Union | MS 166
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17
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14
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The Birds of Red Rock Reservoir
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Checklists
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Bird watching Birds--Identification Ornithology--Methodology
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1994-10-01
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1994-10-31
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Manuscript, graphic, and printed material
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A blank standardized checklist of bird species found at Lake Red Rock. The checklist includes information on each of the four seasons and indicates the frequency of sightings for that time period, including common, uncommon, occasional, or rare. Also includes a list of accidental bird sightings found at Lake Red Rock.
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Iowa Ornithologists' Union
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Lake Red Rock
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Iowa Ornithologists' Union | MS 166
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1
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3
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Tri-city Bird Club daily field card compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956
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Checklists
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Bird watching Birds--Counting Birds--Identification Anseriformes | Ducks, Geese, and Swans Ornithology--Methodology Scolopacidae | Sandpipers, Phalaropes, and allies
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1956-05-29
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N/A
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Manuscript, graphic, and printed material
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Daily field card of birds observed in Hamilton County compiled by Peter C. Petersen and Dale Birkenholz, May 29, 1956.
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Birkenholz, Dale Petersen, Peter C.
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Yellow-headed Blackbird Warbling Vireo Song Sparrow Chimney Swift Yellow-throated Warbler Dickcissel Western Meadowlark American Robin Mourning Dove Horned Lark Black Tern
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Little Wall Lake Anderson Goose Lake
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Iowa Ornithologists' Union | MS 166
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1
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3
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