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Riversdale Mansion

Riverdale, Maryland
County of Prince George's.
4811 Riverdale Road
National Register Number: 73002166
Resource type: Building.
Property type: Domestic - single dwelling. The threat level was Satisfactory in
Congressional District: MD-5 Certified Local Government: YES
This NHL offers public access.
Please contact the NHL directly for visitor information.
Current use/information: Museum - See www.pgparks.com www.riversdale.org.
Web Site: www.inform.umd.edu/UMS+State/MD_Resources/counties/PG/PG300/mncppc/riversdale.html.

Statement of Significance (as of designation - December 9, 1997):
Dating from the beginning of the nineteenth century, Riversdale is one of the last of Maryland's great five-part Palladian mansions. Of stuccoed brick, it was built for Belgian emigree Henri Joseph Stier, and was for a time the repository of the Stier family's collection of Old World master paintings, the most outstanding collection of its type in the country at the time. Riversdale is also significant for its association with Charles Benedict Calvert, Stier's grandson. Calvert helped establish the Maryland Agricultural College on part of the extensive Riversdale acreage, and was instrumental in the establishment of the federal-level Bureau of Agriculture, now the U.S. Department of Agriculture. Riversdale, now restored, is open to the public as a historic house museum.

The site has recently been enclosed, with the completion of a wall, fence and gates and has had some landscaping enhancements.

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