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Legend (Administrative_Areas/Survey_Control)

MC Benchmarks NAVD 88 (0)
NGS Vertical Control (2)
1st Order 1st Order
2nd Order 2nd Order
3rd Order 3rd Order
NGS Horizontal Control (3)
<all other values> <all other values>
(2011) (2011)
(1990) (1990)
(1986) (1986)