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Panama, 1946 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo, Correspondence, photographs and photographic notes, expense records, travel notes, reference materials, and memorabilia. Correspondents include John Enos Graf and Louise M. Pearson — Illustration, Seq. 29
Black-and-white photographs↗
Panama, 1946 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo, Correspondence, photographs and photographic notes, expense records, travel notes, reference materials, and memorabilia. Correspondents include John Enos Graf and Louise M. Pearson — Illustration, Seq. 30
Black-and-white photographs↗
Panama, 1946 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo, Correspondence, photographs and photographic notes, expense records, travel notes, reference materials, and memorabilia. Correspondents include John Enos Graf and Louise M. Pearson — Illustration, Seq. 31
Black-and-white photographs↗
Panama, 1946 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo, Correspondence, photographs and photographic notes, expense records, travel notes, reference materials, and memorabilia. Correspondents include John Enos Graf and Louise M. Pearson — Illustration, Seq. 1
Black-and-white photographs↗
Panama, 1944 : to inspect the experimental work of the Chemical Warfare Service, United States Army, on San Jose Island and make natural history collections for the USNM. Assisted by Joseph P. E. Morrison, Correspondence, expense records, permits, and vaccination certificates. Correspondents include Morrison, John Enos Graf, Harry W. Dorsey, Louise M. Pearson, and Frank M. Setzler — Illustration, Seq. 17
Field notes↗
Panama, 1947 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo. Correspondence, expense records, travel notes, newsclippings, and film notes; Correspondents include John Enos Graf, Of special interest is a letter from Wetmore to H. R. Harmon (12 June 1947) which contains a report on the expedition — Illustration, Seq. 85
Clippings (information artifacts)↗
Panama, 1947 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo. Correspondence, expense records, travel notes, newsclippings, and film notes; Correspondents include John Enos Graf, Of special interest is a letter from Wetmore to H. R. Harmon (12 June 1947) which contains a report on the expedition — Illustration, Seq. 86
Clippings (information artifacts)↗
Panama, 1947 : to visit the Canal Zone Biological Area, inspect the San Jose Project of 1944, and collect bird specimens in Darien. Assisted by Watson M. Perrygo. Correspondence, expense records, travel notes, newsclippings, and film notes; Correspondents include John Enos Graf, Of special interest is a letter from Wetmore to H. R. Harmon (12 June 1947) which contains a report on the expedition — Illustration, Seq. 111
Clippings (information artifacts)↗
List of intercepted plant pests — Illustration, BHL page 31886219
Agricultural pests↗
List of intercepted plant pests — Illustration, Page 51
Agricultural pests↗
List of intercepted plant pests — Illustration, Page 62
Agricultural pests↗
List of intercepted plant pests — Illustration, Page 63
Agricultural pests↗
List of intercepted plant pests — Illustration, Page 86
Agricultural pests↗
List of intercepted plant pests — Illustration, Page 2
Agricultural pests↗