http://www.magicalhotel.com
Photo above shows construction on the restaurant/administrative wing of the Hotel which would have been late 1955 to early 1956. The station wagon that Chris and Jackie are standing next do is the same one that is on the Disneyland Hotel postcard which I will add at the bottom of this thread.
Photo above shows the electrical tower which was south of the Disneyland Hotel complex.
Photo above shows the very first guest structures from the Original Disneyland Hotel. These five structures had 100 guest rooms.