Rockland Mill Complex is a national historic district

Historic district (United States)

In the United States, a historic district is a group of buildings, properties, or sites that have been designated by one of several entities on different levels as historically or architecturally significant. Buildings, structures, objects and sites within a historic district are normally divided...

 located at Rockland

Rockland, New York

Rockland is a town in the northern part of Sullivan County, New York, United States. At the 2000 census, the population was 3,913.- History :The town, like most of this part of New York, was part of the Hardenburgh Patent...

 in Sullivan County, New York

Sullivan County, New York

Sullivan County is a county located in the U.S. state of New York. As of the 2010 census, the population was 77,547. The county seat is Monticello. The name is in honor of Major General John Sullivan, who was a hero in the American Revolutionary War...

. The district includes four contributing buildings and three contributing structures. They include the grist mill (ca. 1850) containing much of its original machinery; remains of the original power canal, mill pond, and tailrace with stone retaining walls; tenant house (ca. 1850); proprietor's house (1867); and ice house (1867–1900).

It was listed on the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1984.