Some clues are less obvious, like the 1870's travelers map below. The map (which was designed in the US, but printed in China) shows a faint

B.Brush written near the bottom left corner. Does this map suggest that Barclay's Brush was located in BC? Or is it unrelated writing? A persons name or perhaps the location of a buried mule. One might never know. The map belongs to a private owner in Toronto.