In 1812 a Captain Becknell, who had been on a trading expedition to the country of the Comanches in the summer of 1811, and had done remarkably well, determined the next season to change his objective point to Santa Fe, and instead of the tedious process of bartering with the Indians, to sell out his stock to the New Mexicans. Successful in this, his first venture, he returned to the Missouri River with a well-filled purse, and intensely enthusiastic over the result of his excursion to the newly found market.

Excited listeners to his tales of enormous profits were not lacking, who, inspired by the inducement he held out to them, cheerfully invested five thousand dollars in merchandise suited to the demands of the trade, and were eager to attempt with him the passage of the great plains. In this expedition there were thirty men, and the amount of money in the undertaking was the largest that had yet been ventured. The progress of the little caravan was without extraordinary incident, until it arrived at "The Caches" on the Upper Arkansas. There Becknell, who was in reality a man of the then "Frontier," bold, plucky, and endowed with excellent sense, conceived the ridiculous idea of striking directly across the country for Santa Fe through a region absolutely unexplored; his excuse for this rash movement being that he desired to avoid the rough and circuitous mountain route he had travelled on his first trip to Taos.

His temerity in abandoning the known for the unknown was severely punished, and his brave men suffered untold misery, barely escaping with their lives from the terrible straits to which they were reduced. Not having the remotest conception of the region through which their new trail was to lead them, and naturally supposing that water would be found in streams or springs, when they left the Arkansas they neglected to supply themselves with more than enough of the precious fluid to last a couple of days. At the end of that time they learned, too late, that they were in the midst of a desert, with all the tortures of thirst threatening them.

Without a tree or a path to guide them, they took an irregular course by observations of the North Star, and the unreliable needle of an azimuth pocket-compass. There was a total absence of water, and when what they had brought with them in their canteens from the river was exhausted, thirst began its horrible office. In a short time both men and animals were in a mental condition bordering on distraction. To alleviate their acute torment, the dogs of the train were killed, and their blood, hot and sickening, eagerly swallowed; then the ears of the mules were cut off for the same purpose, but such a substitute for water only added to their sufferings. They would have perished had not a superannuated buffalo bull that had just come from the Cimarron River, where he had gone to quench his thirst, suddenly appeared, to be immediately killed and the contents of his stomach swallowed with avidity. It is recorded that one of those who partook of the nauseous liquid said afterward, "nothing had ever passed his lips which gave him such exquisite delight as his first draught of that filthy beverage."

Although they were near the Cimarron, where there was plenty of water, which but for the affair of the buffalo they never would have suspected, they decided to retrace their steps to the Arkansas.

Before they started on their retreat, however, some of the strongest of the party followed the trail of the animal that had saved their lives to the river, where, filling all the canteens with pure water, they returned to their comrades, who were, after drinking, able to march slowly toward the Arkansas.

Following that stream, they at last arrived at Taos, having experienced no further trouble, but missed the trail to Santa Fe, and had their journey greatly prolonged by the foolish endeavour of the leader to make a short cut thither.

As early as 1815, Auguste P. Chouteau and his partner, with a large number of trappers and hunters, went out to the valley of the Upper Arkansas for the purpose of trading with Indians, and trapping on the numerous streams of the contiguous region.

The island on which Chouteau established his trading-post, and which bears his name even to this day, is in the Arkansas River on the boundary line of the United States and Mexico. It was a beautiful spot, with a rich carpet of grass and delightful groves, and on the American side was a heavily timbered bottom.

While occupying the island, Chouteau and his old hunters and trappers were attacked by about three hundred Pawnees, whom they repulsed with the loss of thirty killed and wounded. These Indians afterward declared that it was the most fatal affair in which they were ever engaged. It was their first acquaintance with American guns.