Here is the information that I have found:

1. Fuller's Index

Nevada Crossing - Highway 80 - West Wendover - opened 7/1/68 - closed 4/1/82
games: slots and 21

Mac's New Nevada Crossing - 1000 Wendover Blvd. - West Wendover - opened: 4/12/1982 - closed 1/30/95
games: slots, 21, craps, roulette, keno, poker and sports book

2. Nevada Gaming

MAC'S NEW NEVADA CROSSING - 05/06/86 00/00/00 CHIP - NCV, PINK WITH GOLD STAMPWEST WENDOVER
MAC'S NEW NEVADA CROSSING - 10/11/85 00/00/00 CHIP - NCV, ROULETTE, YELLOW / SPECIAL NV CROSSING DIE WEST WENDOVER GOLD HOT STAMP
MAC'S NEW NEVADA CROSSING 03/17/82 00/00/00 TOKEN 1.00

All the chips I have all say Nevada Crossing and nothing to do with Mac's Casino. After looking through the gaming list, there are a lot of missing chips but there is one item listed there that is not in The Chip Rack, and that is the roulette chip. I can not imagine that just one color was made so I am wondering what the rest are.