NOAA S-57 chart cell
North End of Lake Superior - Thunder Bay to Port Munro
US2GRLCB
- Usage band
- General · code 2
- Current edition
- 1.0
- Features
- 1,260
- S-57 layers
- 39
- Published
- May 7, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 48.00000° N
- West
- 91.20000° W
- East
- 86.40000° W
- Center
- 50.40000° N, 88.80000° W
- Bounds area
- 52,926 sq nm
- Feature density
- 0.0238 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 32.3
- Smallest layer
- 1
- Largest layer
- 300
- Area sq km
- 181,533
- Features per sq km
- 0.00694
- LNDARE Land area 300
- COALNE Coastline 236
- DEPCNT Depth contour 203
- DEPARE Depth area 137
- UWTROC Underwater rock 73
- LNDRGN Land region 57
- LIGHTS Light 32
- RECTRC 26
- SEAARE Sea area 26
- LNDMRK 24
- MAGVAR Magnetic variation 22
- RIVERS River 21
- SLOTOP 17
- SBDARE Seabed area 15
- BCNSPP Special purpose beacon 7
- DAYMAR 7
- ADMARE 6
- SLOGRD 6
- SOUNDG Sounding 6
- BOYLAT Lateral buoy 5
Nearby Chart Cells
General usage band
Current Edition Files
The NOAA ZIP archive is the upstream source for this chart cell; the other files are Open Ships generated derivatives for web and GIS use.
- Original NOAA ZIP archive https://www.charts.noaa.gov/ENCs/US2GRLCB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/general/US2GRLCB/1.0/US2GRLCB.000
- GeoJSON https://charts.openships.ai/noaa/s57/general/US2GRLCB/1.0/US2GRLCB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/general/US2GRLCB/1.0/US2GRLCB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/general/US2GRLCB/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 7, 2026 | metadata.json |