NOAA S-57 chart cell
Lake Mead - Grand Wash Bay to Temple Basin, AZ
US4NV1GT
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 1,014
- S-57 layers
- 30
- Published
- Dec 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 36.30000° N
- South
- 36.00000° N
- West
- 114.30000° W
- East
- 114.00000° W
- Center
- 36.15000° N, 114.15000° W
- Bounds area
- 262 sq nm
- Feature density
- 3.8706 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 33.8
- Smallest layer
- 1
- Largest layer
- 392
- Area sq km
- 899
- Features per sq km
- 1.12848
- COALNE Coastline 392
- LNDRGN Land region 231
- DEPARE Depth area 80
- DEPCNT Depth contour 73
- LNDARE Land area 55
- SEAARE Sea area 52
- LNDELV 20
- UWTROC Underwater rock 20
- LIGHTS Light 14
- RIVERS River 13
- BCNLAT Lateral beacon 12
- DAYMAR 12
- M_QUAL Data quality 8
- ACHARE Anchorage area 5
- OBSTRN Obstruction 5
- SBDARE Seabed area 3
- SLCONS Shoreline construction 3
- BOYLAT Lateral buoy 2
- BUAARE 2
- PRDARE 2
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/US4NV1GT.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4NV1GT/1.0/US4NV1GT.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NV1GT/1.0/US4NV1GT.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NV1GT/1.0/US4NV1GT.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NV1GT/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 19, 2025 | metadata.json |