Took this with me x2 as I walked the battlefield(s); super detailed, when combined with army maps... compass/ gps/ good camera...
There is a lot more information about the history of this controversy in the book by the same author called "Bone Rooms: - https://www.amazon.com/Bone-Rooms-Scientific-Prehistory-Museums/dp/0674660412/ref=sr_1_1?ie=UTF8&qid=1445429549&sr=8-1&keywords=redman+bone+rooms