Neal,
Here is best of my knowledge - some gaps - check Gregs State Maps for more info
1. Harrah's Las Vegas A to H New 7 Star Logo chips Dark blue, yellow.
2.Rio 1,2,3,4,6,7,8. (no table 5)Multi color center - RIO - Purple,pink,green,brn,yellow,light blue.
3.Harrahs Lake Tahoe A to H Blue,green,dark brown,light green,mustard,peach.
4. Harvey's Lake Tahoe - A to H Hotstamped Gray,orange,blue.
5. Bill's one table "B" dark blue and 5 other colors.
6.Harrah's Reno A to E - New 7 Star Logo - 8 COLORS green,orange,brown,light blue,pink,gray,purple,white.
7. Harrah;s Laughlin- 1 to 4 olive,dark blue,orange,light blue,fuchsia.
8. Harrah's Prairie Band - one table - New 7 STAR LOGO -NO # OR LETTER - orange,red,gray,blue,green,white, purple.
9.Harrah's Council Bluffs Generics no name or town no logo.
10.Harrah's New Orleans Generics No name or town.
11. Harrah's "Star" Lake Charles 1 and 2.
12.Harrah's Vicksburg Hotstamped B -dark blue,pink,purple peach,gray,lavender,green and C -light blue,orange,green,fuchsia,light green,yellow,brown.
13. Harrah's Cherokee - None.
14. Harrah's East Chicago 1,2,3,4,5,7,8, no 6 Green,orange,yellow,fuchsia,peach,light blue.
15.Harrah's Metropolis 1 and 2 White,tan,yellow.