Guessing this was shot around 1948 or 49.
Somebody might be able to pinpoint it based on the cars.

Link below to the Nevada Home Movies...

Hoover Dam 2:40
The Flamingo 4:34
Downtown Vegas 5:24
Tahoe 10:40
Cal-Neva 11:52
Wagon Wheel Saloon / State Line CC / Sahati's 14:00
Virginia City 14:44
Reno 16:02