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Legend (lca_mrhdms/Reference)

NWIS Spring (0)
NWIS Stream (1)
NWIS Groundwater (2)
NWIS Atmosphere (3)
NWIS Other (4)
EPA (5)
USACE (6)
River Mile Markers (7)
Mississippi River Mississippi River
Outfall Channel Outfall Channel
River Mile Labels (8)
MRHDMS Boundary (9)