general greene now joined morgan, and took charge of the retreat. at the yadkin river they crossed over ahead of cornwallis, when it began for to rain. when cornwallis came to the river he found it so swollen and restless that he decided not to cross. later he crossed higher up, and made for the fords of the dan at thirty miles a day, to head off the americans. greene beat him, however, by a length, and saved his troops.