The closing credits lists William Mims' character as "Tymen" but his
wagon has "Tyman" clearly stenciled on it.
When Custer and Keogh join California Joe Milner to hunt bear, Milner points and proclaims "There's a big grizzly!" -- It's a black bear.
Wayne Maunder's trousers are skin-tight, the better to show off his trim waist and hips. I've never seen a photo of a 19th century American male wearing anything remotely that form-fitting.