NOAA S-57 chart cell
Lake Superior
US4MN1EF
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 97
- S-57 layers
- 25
- Published
- Mar 13, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.70000° N
- South
- 47.40000° N
- West
- 91.20000° W
- East
- 90.90000° W
- Center
- 47.55000° N, 91.05000° W
- Bounds area
- 219 sq nm
- Feature density
- 0.443 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 3.9
- Smallest layer
- 1
- Largest layer
- 24
- Area sq km
- 751
- Features per sq km
- 0.12915
- DEPCNT Depth contour 24
- DEPARE Depth area 18
- RIVERS River 7
- LNDARE Land area 5
- UWTROC Underwater rock 5
- LNDELV 4
- SEAARE Sea area 4
- SLCONS Shoreline construction 4
- COALNE Coastline 3
- BUAARE 2
- CTRPNT 2
- LIGHTS Light 2
- M_QUAL Data quality 2
- MAGVAR Magnetic variation 2
- SBDARE Seabed area 2
- SOUNDG Sounding 2
- BCNLAT Lateral beacon 1
- BUISGL 1
- DAYMAR 1
- LAKARE 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/US4MN1EF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MN1EF/2.0/US4MN1EF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MN1EF/2.0/US4MN1EF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MN1EF/2.0/US4MN1EF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MN1EF/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 13, 2020 | metadata.json |