Showing 793 to 804 of 11,961 results for "20th Century".
Collection: Audubon Camp Management Date: Jun 1954
Collection: Audubon Camp Management Date: Aug 7th, 1954
Collection: Audubon Camp Management Date: Aug 16th, 1954
Collection: Audubon Camp Management Date: Sep 9th, 1954
Collection: Audubon Camp Management Date: Sep 22nd, 1954
Collection: Audubon Camp Management Date: Nov 1954
Collection: Audubon Camp Management Date: Nov 13th, 1954 - Nov 16th, 1954
Cruickshank and Cadbury summarize the results of a survey of bird species observed at the Audubon Camp of Maine.
Collection: Audubon Camp Curricula Date: 1955
Field data sheets show the species observed during the 1955 bird census at the Audubon Camp of Maine.
Cruickshank summarizes bird observations made at various locations in Lincoln County, Maine. He notes that 1955 was a record year with 178 species observed.
Collection: Audubon Camp Management Date: Jan 1955 - Mar 26th, 1966
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