NOAA S-57 chart cell
Lake Superior
US4MI2UF
- Usage band
- Approach · code 4
- Current edition
- 4.0
- Features
- 581
- S-57 layers
- 27
- Published
- May 30, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 47.70000° N
- West
- 89.10000° W
- East
- 88.80000° W
- Center
- 47.85000° N, 88.95000° W
- Bounds area
- 218 sq nm
- Feature density
- 2.6685 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 21.5
- Smallest layer
- 1
- Largest layer
- 125
- Area sq km
- 747
- Features per sq km
- 0.77802
- DEPCNT Depth contour 125
- DEPARE Depth area 122
- UWTROC Underwater rock 96
- SBDARE Seabed area 44
- LNDELV 39
- LNDARE Land area 37
- SEAARE Sea area 22
- COALNE Coastline 17
- M_QUAL Data quality 12
- LNDRGN Land region 11
- RIVERS River 8
- OBSTRN Obstruction 7
- BOYLAT Lateral buoy 6
- SOUNDG Sounding 6
- BUAARE 5
- LAKARE 5
- CTRPNT 3
- RESARE 3
- SLCONS Shoreline construction 3
- LNDMRK 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/US4MI2UF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2UF/4.0/US4MI2UF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2UF/4.0/US4MI2UF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2UF/4.0/US4MI2UF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2UF/4.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 4.0 | May 30, 2025 | metadata.json |