NOAA S-57 chart cell
Lake Michigan - Little Bay De Noc - Escanaba to Gladstone, MI
US4MI2NL
- Usage band
- Approach · code 4
- Current edition
- 2.1
- Features
- 591
- S-57 layers
- 44
- Published
- May 25, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 45.90000° N
- South
- 45.60000° N
- West
- 87.30000° W
- East
- 87.00000° W
- Center
- 45.75000° N, 87.15000° W
- Bounds area
- 226 sq nm
- Feature density
- 2.6105 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 13.4
- Smallest layer
- 1
- Largest layer
- 82
- Area sq km
- 776
- Features per sq km
- 0.76111
- DEPARE Depth area 82
- DEPCNT Depth contour 82
- SLCONS Shoreline construction 72
- COALNE Coastline 67
- PILPNT 62
- LIGHTS Light 34
- LNDARE Land area 26
- LNDRGN Land region 19
- RIVERS River 18
- LNDMRK 16
- BOYLAT Lateral buoy 11
- SBDARE Seabed area 11
- M_QUAL Data quality 7
- UWTROC Underwater rock 7
- BUAARE 6
- OBSTRN Obstruction 6
- LAKARE 5
- PIPSOL 5
- BCNLAT Lateral beacon 4
- BRIDGE 4
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/US4MI2NL.zip
- S-57 base cell https://charts.openships.ai/noaa/s57/approach/US4MI2NL/2.1/US4MI2NL.000
- S-57 update 001 https://charts.openships.ai/noaa/s57/approach/US4MI2NL/2.1/US4MI2NL.001
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2NL/2.1/US4MI2NL.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2NL/2.1/US4MI2NL.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2NL/2.1/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.1 | May 25, 2026 | metadata.json |