Monroe Furnace 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...

 and historic iron furnace

Bloomery

A bloomery is a type of furnace once widely used for smelting iron from its oxides. The bloomery was the earliest form of smelter capable of smelting iron. A bloomery's product is a porous mass of iron and slag called a bloom. This mix of slag and iron in the bloom is termed sponge iron, which...

 located at Barree Township in Huntingdon County, Pennsylvania

Huntingdon County, Pennsylvania

Huntingdon County is a county located in the U.S. state of Pennsylvania. In 2010, its population was 45,913.Huntingdon County was created on September 20, 1787, from part of Bedford County. Its county seat is Huntingdon.-Geography:According to the U.S...

. It consists of 1 contributing site and 1 contributing structure. They are the remains of the furnace stack, its immediate surroundings, and the visible foundation remains of 14 workers' houses. The furnace stack measures 30 feet square at the base and stands 20 feet tall. The furnace was established in 1846-1847 by General James Irvin

James Irvin

James Irvin was an American politician. Irvin was a prominent agriculturalist and ironmaster in Centre County, Pennsylvania. Irvin represented Pennsylvania's 14th congressional district in the 27th United States Congress, and Pennsylvania's 14th congressional district in the 28th United States...

. It was in operation until 1863. It is included in the Pennsylvania State University Experimental Forest.

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 1989.