NOAA S-57 chart cell
Lake Superior
US4MI2TH
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 71
- S-57 layers
- 22
- Published
- Mar 16, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.70000° N
- South
- 47.40000° N
- West
- 88.50000° W
- East
- 88.20000° W
- Center
- 47.55000° N, 88.35000° W
- Bounds area
- 219 sq nm
- Feature density
- 0.3242 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.2
- Smallest layer
- 1
- Largest layer
- 15
- Area sq km
- 751
- Features per sq km
- 0.09453
- DEPARE Depth area 15
- DEPCNT Depth contour 14
- RECTRC 8
- SBDARE Seabed area 4
- BUISGL 3
- SEAARE Sea area 3
- UWTROC Underwater rock 3
- BUAARE 2
- LNDARE Land area 2
- M_QUAL Data quality 2
- OBSTRN Obstruction 2
- RIVERS River 2
- SOUNDG Sounding 2
- COALNE Coastline 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- PIPSOL 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/US4MI2TH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2TH/2.0/US4MI2TH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2TH/2.0/US4MI2TH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2TH/2.0/US4MI2TH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2TH/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 16, 2020 | metadata.json |