One Damn Blunder from Beginning to End: The Red River Campaign of 1864 By Gary Dillard Joiner
http://books.google.com/books?id=xPe-09pXU8gC&pg=PA120&dq=%22map+of+the+Battle+of+Pleasant+Hill%22&ie=ISO-8859-1&sig=uopsgjCjnKpzi-3fIFz-D2JNB9k