The El Rancho Vegas (1941) was the first, followed by the Last Frontier (1943).
The Last Frontier opened first, in 1943, and the El Rancho Vegas was canceled due to a lack of finance.
mnli hypothesis: The Last Frontier opened first, in 1943, and the El Rancho Vegas was canceled due to a lack of finance. premise: The El Rancho Vegas (1941) was the first, followed by the Last Frontier (1943).