Echo Hill and Mountain Grove" continues the story started in "The Mill on Halfway Brook, " in the Town of Highland, Sullivan County, New York, from 1880 to 1920. It is an account of the change from lumbering, rafting, and bluestone quarrying, to that of running boarding houses in the picturesque hamlets of Barryville, Minisink Ford, Yulan, Eldred, and Venoge located near the Delaware River.