Postcard: Alex Johnson Hotel, Rapid City, South Dakota

This postcard, probably from the 60s, notes on the back-

This fine building is the largest and most modern hotel in the Black Hills Region, serving the many thousands visitors of the world famous Big Bad Lands, and Black Hills, South Dakota.
The hotel is centrally located in the city and many tourists can make their headquarters here for interesting trips to the Bad Lands and in the Black Hills."