ROON RM 1 Coordinates: N 40.985917° W 73.906567° Location: New Jersey Bergen County Yonkers Quad Elevation: Unknown Type: Reference Mark Disk Setting: Bedrock Year Established: 1930 Established By: NGS Status: Recovered Condition: Good as of August 10, 2005 View larger map View Google map For more information, see: ROON NGS Reference Mark Disk ROON RM 1 Eyelevel view of the disk on the boulder. The boulder is well-covered. For more information, see: ROON
