Question: The Old Grist Mill is a historic mill building in which town in York Country, Maine

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Jervis Gordon Grist Mill Historic District: Jervis Gordon Grist Mill Historic District, also known as Milford Grist Mill and Rowe's Mill, is a historic grist mill and national historic district located at Milford, Pike County, Pennsylvania.  The district includes three contributing buildings and one contributing structure.  The buildings are a late-19th century grist mill, blacksmith complex, and millers house.  The contributing structure consists of the mill pond, dam, head race, and tail race.

Saddle Rock Grist Mill: Saddle Rock Grist Mill is a historic grist mill building located in Saddle Rock, a village in the town of North Hempstead in Nassau County, New York.  It is a 2 ⁄ -story gambrel-roofed structure.  Adjacent is a stream-fed millpond that is supplemented by tidal water impounded by the dam.  It dates to the 18th century and is the only extant, operating tidal grist mill on Long Island.  The building underwent restoration in the 1950s and is operated as a local history museum.

Winthrop Mill: The Winthrop Mill (also known as the Old Town Mill) is a historic mill building on Mill Street in New London, Connecticut.  It is a grist mill located astride Briggs Brook between bridges carrying the eastbound and westbound lanes of Interstate 95.  The first mill was supposedly established on this site in 1650 by Governor John Winthrop, Jr., and the property remained in Winthrop family hands until the late 18th century.  Some elements of the mill infrastructure may be very nearly original to the period of first use, notably the elevated flume, wheel pit, and tail race.  The present building may also include elements of the original, although it is known that the mill was set afire during Benedict Arnold's 1781 raid on New London and Groton.  The property went through a succession of owners until 1892, when it was acquired by the city.  It was leased for commercial operation until 1913, and underwent a major rehabilitation in 1960.

Clear Spring Mill: Clear Spring Mill is a historic mill complex located at Franklin Township, York County, Pennsylvania.  The complex includes the grist mill, sawmill, and corn crib.  The grist mill was built in 1886, and is a 2 1/2-story, heavy timber frame building on a banked sandstone foundation.  It has a gambrel roof and three interior levels.  The sawmill was built about 1809, and is a one-story timber frame building on a foundation of banked stone, stone piers, and wood posts.  It measures 12 feet deep by 40 feet wide, with a rear porch extension.  The corncrib was built about 1930.

Clinger-Moses Mill Complex: Clinger-Moses Mill Complex, also known as Clement's Mill, is a historic mill complex located in West Pikeland Township, Chester County, Pennsylvania.  The property includes the site of two mills, a stone dam, a mill house, stone bank barn, and outbuildings.  A former three-story grist mill built in 1860 has been converted to residential use.  There is a four-story, three bay by three bay, fieldstone mill building.  A five-bay, frame house has been built on the foundations of a former saw mill.  The main house was built in 1801, and is a 2 1/2-story, fieldstone dwelling with a gable roof and two-story rear wing.

Sterling Grist Mill Complex: Sterling Grist Mill Complex is a historic grist mill complex located at Sterling in Cayuga County, New York.  The complex consists of a frame mill building built about 1835, the rubble foundation of an 1859 tannery, and a dam and penstock built about 1900.  The mill building is built with a hand-hewn heavy timber frame sheathed in narrow pine clapboard.

Lebanon, Maine: Lebanon is a town in York County, Maine, United States.  The population was 6,031 at the 2010 census.  Lebanon includes the villages of Center Lebanon, West Lebanon, North Lebanon, South Lebanon and East Lebanon.  It is part of the Portland–South Portland–Biddeford, Maine metropolitan statistical area.  Lebanon Airport is home to Skydive New England.

Old Grist Mill: The Old Grist Mill is a historic mill building on Little River Road in eastern Lebanon, Maine.  Built in 1774, it is the town's oldest surviving industrial building, and was in operation as a mill into the 20th century.  The building, listed on the National Register of Historic Places in 1975, has been converted into a residence and retail/artist space.

Murphy Grist Mill: Murphy Grist Mill, also known as the Old Mill, is a historic grist mill located at Poughquag, Dutchess County, New York.  It was built in 1889, and is a two-story, front-gabled, vernacular frame building with a stone and concrete foundation.  It has a one-story, hipped roof porch supported by simple contemporary posts.  Also on the property are the contributing ruins of a stone mill dam.  During his 1909 campaign for New York State Senate, Franklin Delano Roosevelt gave a political speech from the porch of the mill building.  The mill remained in use until about 1940.  Franklin Delano Roosevelt Jr. purchased the property in 1949 and the mill was used primarily for storage.  During the mid-1980s, it was given to the Town of Beekman and restoration began in 2014.

Francis Grist Mill: Francis Grist Mill is a historic grist mill located at Waynesville, Haywood County, North Carolina.  It was built in 1887, and is a 1 1/2-story, heavy timber frame mill building sheathed in board-and-batten siding.  It has an overshot water wheel and (restored) wheel mechanisms, gears and pulleys underneath the main floor.  From 2004 to 2008, the mill underwent a successful restoration in order to get the mill functioning again.

Supporting paragraphs: Old Grist Mill Lebanon, Maine
Answer: Lebanon, Maine