(Lantzeff has this as February 1697 on the Olyutorsky Gulf, but the Russian wiki has him leaving in the spring of 1697 and the Olyutorsky Gulf is rather far to the northeast).He left Morzoko to explore the east side and returned to the west side, but Morozko had to be recalled to deal with a Yukaghir mutiny (at the Palana River).