This garage may have sheltered vehicles that brought guests to the Antlers Resort on Lake Cushman, before the lake was raised by a hydroelectric dam.
Otto's wife Mary and their daughters lived in Lilliwaup, just a few miles away, while he worked in Seattle.
There is also an Image 214 (214 - Canada Bldg. A.Y.P.E.) showing an exhibit hall at the 1909 World's Fair held in Seattle, the Alaska Yukon Pacific Exposition. Perhaps Otto reused the image number because no one would be be interested in an A.Y.P.E. card after the exposition ended.