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Flier, Is the Whooping Crane Doomed to Extinction?, circa 1957
Fish & Game League (Regina) and Robert Porter Allen
A flier warning people not to shoot white birds.
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Notes, Homestead and Everglades, Florida, Summer 1956
Robert Porter Allen
Handwritten notes recording daily activities and observations of the wildlife sanctuaries in the Everglades and Homestead region of Florida.
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Graph, Number of Migrant Whooping Cranes, 1950
Robert Porter Allen
A line graph depicting the number of migrant whooping cranes from the years 1912-1950.
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Graph, Number of Migrant Whooping Cranes, 1949
Robert Porter Allen
A line graph depicting the number of migrant whooping cranes from the years 1912-1949.
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Graph, Number of Whooping Cranes Actually Reported by Years, 1870-1948
Robert Porter Allen
A line graph depicting the number of whooping cranes reported from the years 1870-1948.
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Graph, Recorded Kills, 225 Birds, 1870-1948
Robert Porter Allen
A line graph depicting the recorded number of whooping cranes killed from the years 1870-1948.
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Graph, Record of Kill, by Decades, 1750-1948
Robert Porter Allen
A line graph depicting the recorded number of whooping cranes killed by decades from the years 1750-1948.
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Record, Whooping Crane Numbers Reported, 1722-1948
Robert Porter Allen
A record of population numbers reported for the years 1722-1948 from various locations.
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Letter, Fred G. Bard to Rev. L. R. Robson, June 19, 1948
Robert Porter Allen and Fred G. Bard
A letter from Fred G. Bard to Rev. L. R. Robson thank him for whooping crane report.
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Questionnaire, Have you seen a Whooping Crane?, October 7, 1947
H. E. Christenson
A whooping crane sighting report from a member of the public.
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Chart, Fall to Spring Migration Numbers, 1946
Robert Porter Allen
A chart that plots the fall and spring migration numbers of whooping cranes from 1945-1946.
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Chart, Number of Nests, 1932-1941
Robert Porter Allen
A chart recording the number of spoonbill nests from the years 1932-1941.
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Chart, Number of Nests, 1934-1941
Robert Porter Allen
A chart recording the number of spoonbill nests from the years 1934-1941.
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Chart, Birds of Southwest Florida
Robert Porter Allen
A handwritten chart with a list of bird species used to mark down sightings.
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Chart, Number of Nests, 1932-1940
Robert Porter Allen
A chart recording the number of spoonbill nests from the years 1932-1940.
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Chart, Spoonbill Band Combinations, 1940
Robert Porter Allen
A chart listing the different spoonbill band combinations.
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Chart, Spoonbill Color Combination, 1940
Robert Porter Allen
A chart listing the different spoonbill color combinations.
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Letter, W.B. Bell to Robert Porter Allen, March15, 1939
W. B. Bell
A typed letter from W.B. Bell to Robert Porter Allen dated March 15, 1939.
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Questionnaire, Roseate Spoonbill Nesting, Cecil M. Gabbett, March 4, 1939
Cecil M. Gabbett
A returned Roseate Spoonbill Nesting questionnaire from Captain Cecil M. Gabbett of the U.S. Coast Guard.
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Letter, W.L. McCater to Robert Porter Allen, March 4, 1939
W. L. McCater
A typed letter from W.L. McCater to Robert Porter Allen on an inquiry about Roseate Spoonbills.
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Letter, D.M. McPhail to Robert Porter Allen, March 6, 1939
D. M. McPhail
A letter from D.M. Mc Phail to Robert Porter Allen regarding the Roseate Spoonbill Questionnaire dated March 6, 1939.
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Letter, Delmar Nicholson to Robert Porter Allen, April 11, 1939
Delmar Nicholson
A typed letter from Delmar Nicholson to Robert Porter Allen dated April 11, 1939.
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Questionnaire, Roseate Spoonbill Nesting, Wesley Roberts, March 7, 1939
Wesley Roberts
A returned Roseate Spoonbill Nesting questionnaire from Wesley Roberts.
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Letter, John B. Semple to Robert Porter Allen, March 10, 1939
John B. Semple
A handwritten letter from John B. Semple to Robert Porter Allen dated March 10, 1939.
