Patterson Creek Then and Now

The historic image from http://ottawahistory.ncf.ca/

 

And from Street Views

 

Ottawa ON patterson creek - Google Maps_1260382658567

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I always wondered if there used to be something on that island. What was in that structure and what was it used for, I wonder??

The article (http://ottawahistory.ncf.ca/) this is from describes it as the "Cedar Lodge island folly". So it was likely mostly decorative.