NOAA S-57 chart cell
North End of Lake Superior - Heron Bay to Richardson Harbour
US2GRLCC
- Usage band
- General · code 2
- Current edition
- 1.0
- Features
- 187
- S-57 layers
- 23
- Published
- May 7, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 52.80000° N
- South
- 48.00000° N
- West
- 86.40000° W
- East
- 82.00000° W
- Center
- 50.40000° N, 84.20000° W
- Bounds area
- 48,516 sq nm
- Feature density
- 0.0039 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 8.1
- Smallest layer
- 1
- Largest layer
- 36
- Area sq km
- 166,405
- Features per sq km
- 0.00112
- DEPCNT Depth contour 36
- LNDARE Land area 30
- COALNE Coastline 28
- MAGVAR Magnetic variation 21
- DEPARE Depth area 18
- LNDRGN Land region 10
- RIVERS River 8
- SEAARE Sea area 8
- RECTRC 4
- LIGHTS Light 3
- UWTROC Underwater rock 3
- BCNSPP Special purpose beacon 2
- DAYMAR 2
- LNDMRK 2
- M_QUAL Data quality 2
- SBDARE Seabed area 2
- SOUNDG Sounding 2
- BUAARE 1
- LNDELV 1
- M_COVR Coverage 1
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/US2GRLCC.zip
- S-57 cell https://charts.openships.ai/noaa/s57/general/US2GRLCC/1.0/US2GRLCC.000
- GeoJSON https://charts.openships.ai/noaa/s57/general/US2GRLCC/1.0/US2GRLCC.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/general/US2GRLCC/1.0/US2GRLCC.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/general/US2GRLCC/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 7, 2026 | metadata.json |