'They had three boats to haul, often through deep, soggy snow, reaching at times to their waists.
To make for the New Siberian Islands was their endeavour; and when they had been on
the retreat some weeks De Long secured a good observation of the sun,
and learned to his infinite chagrin they had drifted twenty-four miles into the northwest,
so that after daily marching, amid unheard-of difficulties, some twenty-five miles a day
for two weeks, they had retroceded twenty-four miles.'