sentences:  The western half was home to a smaller industrial business with a small office structure and tanks During the 1980s, a condo project was built on part of Maple Leaf Quay while the rest stood empty as a parking lot.The eastern portion lay empty in the 1980s and 1990s.HTO is a play on , the chemical formula for water, since "TO" is commonly used to refer to Toronto and it is a waterfront park.