When the gang rolls Finch's dead body over, his arms are by his side and his legs are bent. When the editor and the deputy find Finch's body later, his arms are spread out and his legs are crossed.
When Clay is pushing the mine cart into the mine, one of the wheels comes up off the track a little bit, showing that the cart isn't as heavy as it appears to be. Another wheel is spinning like a broken wheel on a supermarket carriage. When he gets inside the mine, the spinning wheel is back on the track, rolling normally.
When Clay and Harris pick up the dead man to tie him to a horse, the man's arms move a few times as if to help keep his balance.