52' 0" W.It is, by our course, one hundred and twenty-four miles from Isle a la Crosse, and considered as a branch of the Missinippi, five hundred and ninety-two miles from the Frog Portage.
The Clear Water River passing through the valley, described above, evidently rises not far to the eastward.

The height, computed by the same mode as that of the Echiamamis{50}, by allowing a foot for each mile of distance, and six feet on an average, for each fall and rapid, is two thousand four hundred and sixty-seven feet above the level of the sea, admitting it to be nine hundred feet above the Clear Water River.
The country, in a line between it and the mouth of Mackenzie's River, is a continual descent, although to the eastward of that line, there may be several heights between it and the Arctic Sea.

To the eastward, the lands descend to Hudson's Bay; and to the westward also, till the Athabasca River cuts through it, from whence it ascends to the Rocky Mountains.

Daring was the spirit of enterprise that first led Commerce, with her cumbrous train, from the waters of Hudson's Bay to those of the Arctic Sea, across an obstacle to navigation so stupendous as this; and persevering has been the industry which drew riches from a source so remote.
On the 8th two men arrived, and informed us, that they had brought us our ten bags of pemmican, from Isle a la Crosse, but that they were found to be rotten.

Thus were we unexpectedly deprived of the most essential of our stores, for we knew Fort Chipewyan to be destitute of provisions, and that Mr.Franklin depended upon us for a supply, whereas, enough did not remain for our own use.