Most likely picking up dogs on their way north in August of 1908.
Source of Descriptive Information
Robert Peary, E. (1910). The North Pole: Its Discovery In 1909 Under the Auspices of the Peary Arctic Club. New York: Frederick A. Stokes Company.; George Borup. (1911). A Tenderfoot With Peary. New York: Frederick A. Stokes Company.