NOAA S-57 chart cell
West End of Lake Superior - Saint Louis River and Duluth-Superior Harbor
US2GRLBA
- Usage band
- General · code 2
- Current edition
- 1.0
- Features
- 142
- S-57 layers
- 27
- Published
- May 7, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 43.20000° N
- West
- 96.00000° W
- East
- 91.20000° W
- Center
- 45.60000° N, 93.60000° W
- Bounds area
- 58,094 sq nm
- Feature density
- 0.0024 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 5.3
- Smallest layer
- 1
- Largest layer
- 19
- Area sq km
- 199,258
- Features per sq km
- 0.00071
- RIVERS River 19
- MAGVAR Magnetic variation 14
- LNDMRK 12
- BUAARE 10
- LNDARE Land area 10
- RECTRC 10
- DEPARE Depth area 9
- LIGHTS Light 9
- DEPCNT Depth contour 7
- SEAARE Sea area 6
- COALNE Coastline 5
- LNDRGN Land region 4
- BCNLAT Lateral beacon 3
- FOGSIG 3
- RDOSTA 3
- BOYSPP Special purpose buoy 2
- BUISGL 2
- DAYMAR 2
- M_QUAL Data quality 2
- SILTNK 2
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/US2GRLBA.zip
- S-57 cell https://charts.openships.ai/noaa/s57/general/US2GRLBA/1.0/US2GRLBA.000
- GeoJSON https://charts.openships.ai/noaa/s57/general/US2GRLBA/1.0/US2GRLBA.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/general/US2GRLBA/1.0/US2GRLBA.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/general/US2GRLBA/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | May 7, 2026 | metadata.json |