NOAA S-57 chart cell
Lake Superior
US4MI2RJ
- Usage band
- Approach · code 4
- Current edition
- 3.1
- Features
- 79
- S-57 layers
- 27
- Published
- Mar 27, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.10000° N
- South
- 46.80000° N
- West
- 87.90000° W
- East
- 87.60000° W
- Center
- 46.95000° N, 87.75000° W
- Bounds area
- 221 sq nm
- Feature density
- 0.3567 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 2.9
- Smallest layer
- 1
- Largest layer
- 8
- Area sq km
- 760
- Features per sq km
- 0.104
- LNDRGN Land region 8
- DEPARE Depth area 7
- SBDARE Seabed area 7
- DEPCNT Depth contour 6
- LAKARE 6
- M_QUAL Data quality 6
- SEAARE Sea area 5
- BUISGL 4
- RIVERS River 4
- SLCONS Shoreline construction 3
- CTRPNT 2
- LIGHTS Light 2
- LNDARE Land area 2
- LNDMRK 2
- RECTRC 2
- SOUNDG Sounding 2
- BCNLAT Lateral beacon 1
- BOYLAT Lateral buoy 1
- BUAARE 1
- COALNE Coastline 1
Nearby Chart Cells
Approach 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/US4MI2RJ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2RJ/3.1/US4MI2RJ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2RJ/3.1/US4MI2RJ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2RJ/3.1/US4MI2RJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2RJ/3.1/US4MI2RJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2RJ/3.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.1 | Mar 27, 2025 | metadata.json |