MARY RM 1 Coordinates: N 38.650111° W 78.317528° Location: Virginia Page County Thornton Gap Quad Elevation: Unknown Type: Reference Mark Disk Setting: Boulder Year Established: 1965 Established By: NGS Status: Recovered Condition: Good as of September 30, 2006 View larger map View Google map For more information, see: MARY NGS Reference Mark Disk MARY RM 1 Looking down at MARY RM 1 from a nearby boulder. For more information, see: MARY