NOAA S-57 chart cell
Lake Superior - Maple Creek to Black River Harbor, MI
US4MI2QB
- Usage band
- Approach · code 4
- Current edition
- 2.0
- Features
- 60
- S-57 layers
- 28
- Published
- May 26, 2026
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 46.80000° N
- South
- 46.50000° N
- West
- 90.30000° W
- East
- 90.00000° W
- Center
- 46.65000° N, 90.15000° W
- Bounds area
- 223 sq nm
- Feature density
- 0.2694 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 2.1
- Smallest layer
- 1
- Largest layer
- 9
- Area sq km
- 764
- Features per sq km
- 0.07855
- DEPARE Depth area 9
- DEPCNT Depth contour 6
- SBDARE Seabed area 4
- LNDARE Land area 3
- LNDELV 3
- OBSTRN Obstruction 3
- RIVERS River 3
- COALNE Coastline 2
- LAKARE 2
- LIGHTS Light 2
- LNDMRK 2
- M_QUAL Data quality 2
- RECTRC 2
- SEAARE Sea area 2
- SLCONS Shoreline construction 2
- BCNLAT Lateral beacon 1
- BRIDGE 1
- CTNARE Caution area 1
- CTRPNT 1
- DAYMAR 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/US4MI2QB.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4MI2QB/2.0/US4MI2QB.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4MI2QB/2.0/US4MI2QB.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4MI2QB/2.0/US4MI2QB.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4MI2QB/2.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 2.0 | May 26, 2026 | metadata.json |