out with their basements left hollowed in the made land, which the gravel trains were yet making out of the westward hills."

Present-day Back Bay itself was filled by 1882; the project reached existing land at what is now Kenmore Square in 1890, and was completed in 1900 in the area now known as the Back Bay Fens. Much of the old mill dam remains buried under present-day Beacon Street. The project was the largest of a number of land reclamation