NOAA S-57 chart cell
Lake Superior
US4MI2QO
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 79
- S-57 layers
- 24
- Published
- Nov 16, 2022
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 86.40000° W
- East
- 86.10000° W
- Center
- 46.65000° N, 86.25000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.3547 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.3
- Smallest layer
- 1
- Largest layer
- 13
- Area sq km
- 764
- Features per sq km
- 0.10342
- DEPCNT Depth contour 13
- DEPARE Depth area 11
- OBSTRN Obstruction 6
- RECTRC 6
- SBDARE Seabed area 5
- UWTROC Underwater rock 5
- M_QUAL Data quality 4
- MAGVAR Magnetic variation 4
- RIVERS River 3
- SOUNDG Sounding 3
- COALNE Coastline 2
- LAKARE 2
- RESARE 2
- SLOTOP 2
- WRECKS Wreck 2
- BUISGL 1
- LIGHTS Light 1
- LNDARE Land area 1
- LNDMRK 1
- LNDRGN Land region 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/US4MI2QO.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2QO/2.0/US4MI2QO.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2QO/2.0/US4MI2QO.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2QO/2.0/US4MI2QO.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2QO/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Nov 16, 2022 | metadata.json |