These are ATF #2 observation check-lists documenting birds seen June 4 - July 10, 1963, as part of Pacific Ocean Biological Survey Program. Sheets list location (latitude and longitude, sometimes name ...
These are Bureau of Commercial Fisheries observation check-lists documenting birds seen November 4 - 23, 1964, as part of Pacific Ocean Biological Survey Program. Sheets list location (latitude and ...
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