Magnolia Plantation (Knoxville, Maryland)

Magnolia Plantation
U.S. National Register of Historic Places
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Location	Northwest of Knoxville off Sandy Hook Rd., Knoxville, Maryland
Coordinates	39°20′53″N 77°41′36″W / 39.34806°N 77.69333°W / 39.34806; -77.69333Coordinates: 39°20′53″N 77°41′36″W / 39.34806°N 77.69333°W / 39.34806; -77.69333
Area	185.7 acres (75.2 ha)
Built	1835 (1835)
Architectural style	Gothic Revival, Federal
NRHP Reference #	75000926
Added to NRHP	June 18, 1975

Magnolia Plantation, also known as the Boteler-Holder Farm, is a historic house and former slave plantation located at Knoxville, Washington County, Maryland, United States. It is a 2-story, five-bay-wide house built about 1835, with a  1 ¹⁄₂-story three-bay rear addition, set on finely coursed local fieldstone foundations. Also on the property are several modern outbuildings and a barn, and nearby is a private cemetery with a number of grave markers bearing the name Boteler.

The Magnolia Plantation was listed on the National Register of Historic Places in 1975.