Title Genres Topics Date (Start) Date (End)
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 22, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-22 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Darwin Koenig, December 31, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-31 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, W. Ross Silcock, December 31, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-31 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Marie E. Spears Tiemann, December 27, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-27 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Douglas Rose, January 1, 1989 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1989-01-01 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Alan G. Grenon, December 17, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-17 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, K. L. Drews, December 18, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-18 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Jerry Probst, December 17, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Laridae | Gulls and Terns Ornithology--Methodology Weather 1988-12-17 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Robert I. Cecil, December 31, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-31 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Charles Fuller, December 17, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-17 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 19, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-19 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 17, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-17 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 18, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-18 N/A
Why keep bird records? Lecture notes Bird surveys Bird watching Ornithology--Methodology 1947-05-10 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Peter C. Petersen, December 26, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-26 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, John Carl Miller, December 17, 1988 Field notes Forms (documents) Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-17 N/A
Form for reporting Iowa Christmas bird counts to Iowa Bird Life, Darwin Koenig, December 26, 1988 Forms (documents) Reports Bird watching Birds--Counting Birds--Research Ornithology--Methodology Weather 1988-12-26 N/A
W. Ross Silcock letter to Thomas H. Kent regarding questions about the Christmas bird count, February 28, 1989 Correspondence Bird watching Birds--Counting Birds--Research Ornithology--Methodology 1989-02-28 N/A
Rudolph Anderson letter to Philip DuMont regarding "The birds of Iowa," November 16, 1932 Correspondence Birds--Eggs Birds--Geographical distribution Ornithology--Methodology Birds--Collection and preservation Natural areas Ornithological literature 1932-11-16 N/A
Walter Rosene letter to Philip DuMont regarding creating a new Birds of Iowa list, January 17, 1928 Correspondence Bird watching Birds--Geographical distribution Ornithology--Methodology Rare birds 1928-01-17 N/A
Walter Rosene letter to Philip DuMont regarding likely birds to sight in June, May 10, 1928 Correspondence Bird watching Birds--Identification Ornithology--Methodology 1928-05-10 N/A
Philip DuMont letter to Max Stempel regarding records for the Stempel collection, November 9, 1934 Correspondence Birds--Geographical distribution Birds--Identification Ornithology--Methodology Zoological specimens 1934-11-09 N/A
George Hendrickson letter to Philip DuMont regarding updates to the Revised List of the Birds of Iowa, December 13, 1943 Correspondence Birds--Geographical distribution Birds--Nests Ornithology--Methodology Ornithological literature 1943-12-13 N/A
George Hendrickson letter to Philip DuMont regarding unlisted Water Ouzel, February 2, 1944 Correspondence Ornithology--Methodology Birds--Collection and preservation Ornithological literature 1944-02-02 N/A
Christmas bird count data report and W. Ross Silcock note to Thomas H. Kent, winter 1987-1988 Correspondence Field notes Birds--Research Ornithology--Methodology Ornithology--Societies, etc 1987-12-01 1988-02-28