NOAA S-57 chart cell
Lake Superior
US4MN1DF
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 71
- S-57 layers
- 18
- Published
- Mar 13, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 91.20000° W
- East
- 90.90000° W
- Center
- 47.25000° N, 91.05000° W
- Bounds area
- 220 sq nm
- Feature density
- 0.3224 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 3.9
- Smallest layer
- 1
- Largest layer
- 10
- Area sq km
- 755
- Features per sq km
- 0.09399
- DEPARE Depth area 10
- DEPCNT Depth contour 9
- RECTRC 8
- SBDARE Seabed area 8
- UWTROC Underwater rock 7
- MAGVAR Magnetic variation 6
- SOUNDG Sounding 5
- LNDARE Land area 3
- BUISGL 2
- COALNE Coastline 2
- CTRPNT 2
- M_QUAL Data quality 2
- SEAARE Sea area 2
- BRIDGE 1
- BUAARE 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 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/US4MN1DF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MN1DF/2.0/US4MN1DF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MN1DF/2.0/US4MN1DF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MN1DF/2.0/US4MN1DF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MN1DF/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 13, 2020 | metadata.json |