21th.. March Thursday 1805—
a Cloudy Day Some
Snow, the men Carried the remaining
Canoes to the River, and all except 3
left to take care & complete
the Canoes
returned to the fort with their baggage, on
my
return to day to the Fort I came on the points of the high
hills, Saw an
emence quantity of Pumice Stone on the Sides
& foot of the hills and
emence beds of Pumice Stone near the
Tops of the[m], with evident marks of
the Hills haveing once
been on fire, I Collected Some [of] the different
[sorts] i.e.
Stone Pumice Stone & a hard earth, and put them into a
furnace, the hard earth melted and glazed the others two and
the
hard Clay became a pumice Stone Glazed. I collected
Some plants
&c.
