It was as James said, Sahati's twin sister...

well, at least it was a separate gaming establishment!!

First step--look in The Gaming Table, audit edition....

Itaha's Lodge
Lake Tahoe S. (Hwy. 50)
Stateline, NV USA
opened: c.1947 closed: c.1949

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Then look in Fuller's Index:

Itaha's Lodge Race Horse Keno and Book
Hwy. 50 at Stateline
South Lake Tahoe
1947? - 1949?

slots-21-craps-roulette-bingo

No ownership info in either source

Cool card!!