I passed the night near the fords, at a farmer's; and finding it impossible, the next morning, to pursue this route, or to get a boat or canoe to cross the river, obtained directions for making my way north-eastwardly, towards St. Michael's. I was now in the probable region of De Soto's Coligoa, the utmost north-westwardly point of his explorations. And it ceased to be a matter of surprise that the Indians had given him such wonderful accounts of the mineral wealth of the sources of the St. Francis. The white inhabitants, at this day, have similar notions. They perceive such an unusual geological display before and around them, that they suppose it indicates mineral treasures. There are stories afloat of all kinds of mineral discoveries--not of gold, indeed, which was De Soto's search, but of tin, lead, copper, iron, cobalt, and antimony. The iron mountains of Bellevieu, so called, are part of this development. At a place called the Narrows, the river rushes between alpine peaks of sienite and black hornblende rock, which lies in huge and confused heaps, plainly indicating ancient volcanic action. I had examined this region, with minuteness, the previous summer, in an excursion through the southern limits of the lead-mines, and now revisited some of the points, respecting which, my curiosity was unsatisfied. I wandered among these attractive peaks about ten miles, and slept at a house (Burdett's), to the occupant of which, I had carried a letter of introduction the year before.
The next day (Feb. 1) proved rainy; but I took advantage of intervals in the weather to advance on my general course about three miles. The sky, the next morning, was still cloudy, dark, and unsettled. When it indicated signs of clearing up, I was advised of another ford of the St. Francis, at a higher point; and I proceeded a part of the way to reach it; but accounts discouraged me, and I bent my steps to the village of St. Michael. Two miles north of this, I came to the noted lead-mine of La Motte, the most southerly in position of the Missouri circle of mines. At this place, they raised large tubular masses of lead-ore, from its position in the red, marly clay. The slags drawn from the ash-furnace denoted, by the intensity of their blue color, its connexion with the oxide of cobalt. Ten miles beyond these mines, after passing an uninhabited tract, I entered Cook's settlement, where I slept.