By the turn of the 19th century, early settlers had replaced the beaver dam on this spot with a manmade structure, and constructed this water-powered mill from hand-hewn timbers.
(early settlers; had replaced; the beaver dam on this spot with a manmade structure; T:By the turn of the 19th century) (early settlers; constructed; this water-powered mill from hand-hewn timbers)
early settlers early settlers
had replaced constructed
the beaver dam on this spot with a manmade structure T:By the turn of the 19th century
this water-powered mill from hand-hewn timbers