The loose field notes document Helmut Buechner's observations, December 1949 - October 1950. Entries are are not in chronological order, and are a mix of hand written and typed notes. Entries are headed with date, location, and species. Descriptions include observations with time of day, type (birds and mammals), notes on populations (quantity, sex), location, behavior, environment, counts, as well as observations of E. L. Tyson, and Kim Kelly. Locations are in Washington, including W. T. Wooten Game Range.