NOAA S-57 chart cell
Lake Superior
US4MI2SJ
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 69
- S-57 layers
- 22
- Published
- Jun 24, 2021
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 87.90000° W
- East
- 87.60000° W
- Center
- 47.25000° N, 87.75000° W
- Bounds area
- 220 sq nm
- Feature density
- 0.3133 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.1
- Smallest layer
- 1
- Largest layer
- 15
- Area sq km
- 755
- Features per sq km
- 0.09135
- DEPARE Depth area 15
- DEPCNT Depth contour 14
- SBDARE Seabed area 12
- UWTROC Underwater rock 5
- SEAARE Sea area 3
- LNDARE Land area 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- ACHARE Anchorage area 1
- BOYLAT Lateral buoy 1
- COALNE Coastline 1
- LIGHTS Light 1
- LNDRGN Land region 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- RECTRC 1
- RESARE 1
- RIVERS River 1
- SLCONS Shoreline construction 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/US4MI2SJ.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2SJ/2.1/US4MI2SJ.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2SJ/2.1/US4MI2SJ.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2SJ/2.1/US4MI2SJ.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2SJ/2.1/US4MI2SJ.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2SJ/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | Jun 24, 2021 | metadata.json |