Thanks Joe, a wealth of information in that link. After reading it I would say that the statement about 'overcollecting posing the biggest threat to alterna in NM' was most likely an extrapolation. Apparently it was not that overcollecting had taken place in NM, it was that if as many collecters as were hunting Langtry at that time were to descend upon NM, then NM's alterna could be at risk.

Given that the number of collecter's vehicles in Langtry was at that time described as quite high, I can see how one might want to be cautious with regard to NM's alterna.
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www.hcu-tx.org/