History of Westchester County, New York, Vol. II
He planned deeply and from his pondering a scheme of revenge was formed, that lacked only one little essential element of successful strategy.
He saddled his pony, from the woodpile he selected a club. Ordinarily he was a good man with his fists, but this time he was taking no chances. He took his station at the door from which he had been ejected. Soon one of the boys stepped out to take the air, and Montrose very politely asked him to tell O'Hallern that there was a gentleman at the door who
wanted to speak to him. As the foreman crossed the threshhold, 'the blow fell, and it was well aimed and effective. O'Hallern fell across the doorstep, and was insensible for several hours. With a whoop of exultant victory and defiance at the whole world, Tim Montrose leaped into his saddle and rode away across the yard toward the Camp Clarke trail. Here came the disastrous detail he had overlooked. The clothesline was hung at a proper height to lift him from the saddle, and the impact upon the earth was sufficiently hard to leave him in an insensible condition until the next day. But scratches and bruises were common in those days, and after a brief delay to ascertain how serious were the casualties, the gay party went on with the dance until after sunrise.
At the Seven-U there are four graves -- two of which were emigrants and two are old cowboys that died with their boots on and were so buried. One of the latter was a brother of Henry Bradford, who was with the English boys later, and the other a Texan concerning whom later reference is made.