Aah, the yin/yang symbol was the NP surely. Though the GN did use red and black as well in the encircled goat, right? (...) (23 years ago, 9-Nov-01, to lugnet.trains.org)
(...) I think you are right. I am confusing the red/black circles with the yin/yang. Fitting then, (if true) that the goat guys didn't run to Vancouver and the newage-yin/yang guys did, ne? (23 years ago, 9-Nov-01, to lugnet.trains.org)