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Basic results and analysis.
The main conclusion made on the basis of
the carried field works is that the traces of the stay
of the Lassenius detachment in the mouth of the Khara-Ulakh
River were not found.
There can be several probable reasons,
explaining the absence of the traces of the Lassenius Camp:
- The participants of the expedition did not notice the
traces of the Camp.
- The Camp was destroyed by the offshore motion of sediments.
- The camp was destroyed by the surface water during
a spring tide.
- The hydrological regime of the River has changed.
- The sea level has changed.
- The Camp of Lassenius could have been located in a
different place.
a) The first assumption – the Camp was located at the
Naiba River.
b) The second assumption – the Camp was located at the
Kullagai River (the south coast of the Byuor-Khaya Bay).
The fifth and the sixth reasons seem to be most probable.
Schedule of the further research.
- Additional study of the archives. To find out in the
log of Dmitry Laptev (1736) how the ship "Irkutsk" sailed
from the mouth of the river to the open sea.
- With the help of the Administration of the Bulunsky
Ulus to question local citizens, firstly hunters and fishermen.
- To investigate the archives of the hydrographic service
and the State Committee of cartography.
- To consult with geologists, hydrologists and climatologists
about a possible change of sea level and a hydrological
regime in the Khara-Ulakh River.
- To study the sailing directions of the Laptev Sea in
order to define all high rocks, looking like the Cape.
Khara-Ulakh.
- To establish contacts with the scientists of local
lore from the town of Tula, who in 1975 erected a monument
to Lassenius at the Cape Khara-Ulakh.
- To study a toponymy of the area of the Buor-Ulakh Bay.
- To make the second data binding, obtained from the
archives documents, to the locality, using satellite and
topographical maps of a large scale.
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