Historical Marker
Grafton Post Office
Historical marker location:
260 W Main St, Grafton, West Virginia
( Marker is at the intersection of West Main Street (U.S. 119) and Beech Street (U.S. 119), on the left when traveling west on West Main Street.)
West Virginia is home to the Green Bank Telescope, the world's largest fully steerable radio telescope. It is operated by the National Radio Astronomy Observatory and is located in the Allegheny Mountains.