NOAA S-57 chart cell
Lake Superior
US4MI2UG
- Usage band
- Approach · code 4
- Current edition
- 3.0
- Features
- 238
- S-57 layers
- 26
- Published
- May 30, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 47.70000° N
- West
- 88.80000° W
- East
- 88.50000° W
- Center
- 47.85000° N, 88.65000° W
- Bounds area
- 218 sq nm
- Feature density
- 1.0931 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 9.2
- Smallest layer
- 1
- Largest layer
- 57
- Area sq km
- 747
- Features per sq km
- 0.31871
- UWTROC Underwater rock 57
- DEPARE Depth area 48
- DEPCNT Depth contour 45
- LNDARE Land area 21
- COALNE Coastline 12
- SBDARE Seabed area 12
- M_QUAL Data quality 7
- SOUNDG Sounding 7
- SEAARE Sea area 6
- LNDELV 3
- BOYLAT Lateral buoy 2
- LNDMRK 2
- MAGVAR Magnetic variation 2
- WRECKS Wreck 2
- BUISGL 1
- CTRPNT 1
- FERYRT 1
- LAKARE 1
- LIGHTS Light 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/US4MI2UG.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2UG/3.0/US4MI2UG.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2UG/3.0/US4MI2UG.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2UG/3.0/US4MI2UG.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2UG/3.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 3.0 | May 30, 2025 | metadata.json |