NOAA Nautical Chart 13274

Portsmouth Harbor to Boston Harbor; Merrimack River Extension

Chart 13274

NOAA Chart (Not Updated) Not Updated Chart: These canceled charts do not meet U.S. Coast Guard carriage requirements for regulated vessels and should not be used for navigation.

Chart 13274: Portsmouth Harbor to Boston Harbor; Merrimack River Extension
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  • Scale: 40,000
  • Actual Chart Size: 58.8” x 40.6”
  • Paper Size: 42.0” x 63.0”
  • NOAA Edition #: 31
  • NOAA Edition Date: 2021-11-04
  • NTM Notice/Date: 3123 2023-08-05
  • NTM: https://msi.nga.mil
  • LNM Notice/Date: 2923 2023-07-18

NTM = NGA Notice to Mariners; LNM = Local Notice to Mariners

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