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NOAA Nautical Chart 18535

Columbia River John Day Dam to Blalock

Scale: 20,000
Paper Size: 36.0" x 31.0"
Actual Chart Size: 34.2" x 27.3"
Edition #: 12
Edition Date: 2004-08-01
NTM Notice/Date: 2621 2021-06-26
NTM: https://msi.nga.mil
LNM Notice/Date: 2421 2021-06-15
LNM: http://ocsdata.ncd.noaa.gov/nm

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

The chart you are viewing is a NOAA chart by OceanGrafix. Printed “on-demand,” it contains all of the latest NOAA updates as of the time of printing. This chart is available for purchase online or from one of our retailers.

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