Photo: Courtesy of the National Battlefields Commission

One of two nearly intact human skeletons found by construction workers on the Plains of Abraham last February, while installing public toilets in the park.

Construction workers have unwittingly unearthed an archaeological mystery on the Plains of Abraham.

Two well-preserved human skeletons were discovered last February as workers broke ground for new bathroom facilities in the park. The find was not announced until last week, as excavators waited for the earth to thaw before further exploring the site.