NOAA S-57 chart cell
Lake Mead - Overton Arm, NV
US4NV1HS
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 786
- S-57 layers
- 33
- Published
- Dec 19, 2025
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 36.60000° N
- South
- 36.30000° N
- West
- 114.60000° W
- East
- 114.30000° W
- Center
- 36.45000° N, 114.45000° W
- Bounds area
- 261 sq nm
- Feature density
- 3.0118 / sq nm
Chart Statistics
20 largest layers shown
- Average features per layer
- 23.8
- Smallest layer
- 1
- Largest layer
- 185
- Area sq km
- 895
- Features per sq km
- 0.87811
- COALNE Coastline 185
- LNDRGN Land region 134
- DEPCNT Depth contour 103
- UWTROC Underwater rock 83
- LNDARE Land area 77
- DEPARE Depth area 67
- BUISGL 44
- SEAARE Sea area 23
- SLCONS Shoreline construction 11
- RIVERS River 10
- SMCFAC 7
- ACHARE Anchorage area 5
- LIGHTS Light 5
- LNDELV 5
- BOYLAT Lateral buoy 3
- BOYSPP Special purpose buoy 2
- BUAARE 2
- LNDMRK 2
- SBDARE Seabed area 2
- SISTAW 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/US4NV1HS.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4NV1HS/1.0/US4NV1HS.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4NV1HS/1.0/US4NV1HS.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4NV1HS/1.0/US4NV1HS.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4NV1HS/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Dec 19, 2025 | metadata.json |