... compelled to go to the Mississippi by as short a journey as possible. After a most, wearisome march of sixty-five miles, he reached Helena, in Phillips County, between the 11th and 13th of July. Washburne , with twenty-five hundred cavalry and five howitzers, had marched that distance in twenty-four hours. The infantry brought with them a few Arkansas volunteers, and a large number of negroes, who soug...