NOAA S-57 chart cell
Gulf Intracoastal Waterway - Grand Lake and White Lake
US4LA1GE
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 310
- S-57 layers
- 28
- Published
- Apr 23, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 30.00000° N
- South
- 29.70000° N
- West
- 92.70000° W
- East
- 92.40000° W
- Center
- 29.85000° N, 92.55000° W
- Bounds area
- 281 sq nm
- Feature density
- 1.1017 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 11.1
- Smallest layer
- 1
- Largest layer
- 74
- Area sq km
- 965
- Features per sq km
- 0.32119
- COALNE Coastline 74
- CANALS 47
- LNDRGN Land region 41
- LNDARE Land area 25
- RIVERS River 20
- LAKARE 17
- DEPARE Depth area 16
- SEAARE Sea area 14
- SLCONS Shoreline construction 10
- BUISGL 9
- CTNARE Caution area 9
- M_QUAL Data quality 4
- MAGVAR Magnetic variation 4
- VEGATN 3
- DMPGRD 2
- PIPARE 2
- SILTNK 2
- CBLOHD 1
- DRGARE 1
- DYKCON 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/US4LA1GE.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4LA1GE/1.0/US4LA1GE.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4LA1GE/1.0/US4LA1GE.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4LA1GE/1.0/US4LA1GE.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4LA1GE/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Apr 23, 2025 | metadata.json |