NOAA S-57 chart cell
Lake Superior
US4MN1FI
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 71
- S-57 layers
- 21
- Published
- Mar 11, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 48.00000° N
- South
- 47.70000° N
- West
- 90.30000° W
- East
- 90.00000° W
- Center
- 47.85000° N, 90.15000° W
- Bounds area
- 218 sq nm
- Feature density
- 0.3261 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.4
- Smallest layer
- 1
- Largest layer
- 10
- Area sq km
- 747
- Features per sq km
- 0.09508
- RIVERS River 10
- UWTROC Underwater rock 10
- DEPARE Depth area 9
- DEPCNT Depth contour 8
- LNDARE Land area 6
- SBDARE Seabed area 6
- OBSTRN Obstruction 4
- LIGHTS Light 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- SOUNDG Sounding 2
- COALNE Coastline 1
- CTRPNT 1
- LNDELV 1
- LNDMRK 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MIPARE 1
- RECTRC 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/US4MN1FI.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MN1FI/2.0/US4MN1FI.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MN1FI/2.0/US4MN1FI.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MN1FI/2.0/US4MN1FI.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MN1FI/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 11, 2020 | metadata.json |