NOAA S-57 chart cell
Lake Superior
US4MN1DH
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 29
- S-57 layers
- 11
- Published
- Mar 11, 2020
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 47.40000° N
- South
- 47.10000° N
- West
- 90.60000° W
- East
- 90.30000° W
- Center
- 47.25000° N, 90.45000° W
- Bounds area
- 220 sq nm
- Feature density
- 0.1317 / sq nm
Chart Statistics
11 largest layers shown
- Average features per layer
- 2.6
- Smallest layer
- 1
- Largest layer
- 7
- Area sq km
- 755
- Features per sq km
- 0.03839
- RECTRC 7
- SOUNDG Sounding 7
- SBDARE Seabed area 4
- M_QUAL Data quality 3
- OBSTRN Obstruction 2
- DEPARE Depth area 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- SEAARE Sea area 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/US4MN1DH.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MN1DH/2.0/US4MN1DH.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MN1DH/2.0/US4MN1DH.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MN1DH/2.0/US4MN1DH.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MN1DH/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | Mar 11, 2020 | metadata.json |