NOAA S-57 chart cell
Lake Superior
US4MI2SG
- Usage band
- Approach · code 4
- Current edition
- 1.2
- Features
- 145
- S-57 layers
- 37
- Published
- Jul 30, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 88.80000° W
- East
- 88.50000° W
- Center
- 47.25000° N, 88.65000° W
- Bounds area
- 220 sq nm
- Feature density
- 0.6584 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.9
- Smallest layer
- 1
- Largest layer
- 14
- Area sq km
- 755
- Features per sq km
- 0.19196
- DEPARE Depth area 14
- DEPCNT Depth contour 12
- COALNE Coastline 11
- LIGHTS Light 10
- RIVERS River 10
- BUAARE 9
- LNDMRK 8
- LNDRGN Land region 7
- SOUNDG Sounding 6
- BUISGL 5
- M_QUAL Data quality 5
- SBDARE Seabed area 5
- LNDARE Land area 4
- OBSTRN Obstruction 4
- SEAARE Sea area 4
- FAIRWY Fairway 3
- RECTRC 3
- MAGVAR Magnetic variation 2
- PIPSOL 2
- RDOSTA 2
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/US4MI2SG.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/US4MI2SG.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/US4MI2SG.001
- S-57 update 002 https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/US4MI2SG.002
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/US4MI2SG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/US4MI2SG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2SG/1.2/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.2 | Jul 30, 2025 | metadata.json |