READING RM 1 Coordinates: N 40.335356° W 75.916292° (estimate) Location: Pennsylvania Berks County Reading Quad Elevation: Unknown Type: Reference Mark Disk Setting: Concrete Sidewalk Year Established: 1942 Established By: NGS Status: Note Entered Condition: Unknown (Not Found) as of June 4, 2016 View larger map View Google map For more information, see: READING For more information, see: READING