NOAA S-57 chart cell
Colorado River, Tx
US4TX1LF
- Usage band
- Approach · code 4
- Current edition
- 1.0
- Features
- 64
- S-57 layers
- 18
- Published
- Sep 27, 2024
- Manifest updated
- Jun 22, 2026, 2:51 PM UTC
Coverage
- North
- 29.10000° N
- South
- 28.80000° N
- West
- 96.30000° W
- East
- 96.00000° W
- Center
- 28.95000° N, 96.15000° W
- Bounds area
- 284 sq nm
- Feature density
- 0.2254 / sq nm
Chart Statistics
18 largest layers shown
- Average features per layer
- 3.6
- Smallest layer
- 1
- Largest layer
- 13
- Area sq km
- 974
- Features per sq km
- 0.06573
- BUAARE 13
- DRGARE 12
- COALNE Coastline 6
- RIVERS River 5
- DEPARE Depth area 4
- SEAARE Sea area 4
- FAIRWY Fairway 3
- M_QUAL Data quality 3
- MORFAC 3
- CTNARE Caution area 2
- LNDARE Land area 2
- CBLOHD 1
- M_COVR Coverage 1
- M_NPUB 1
- M_NSYS 1
- MAGVAR Magnetic variation 1
- PYLONS 1
- SLCONS Shoreline construction 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/US4TX1LF.zip
- S-57 cell https://charts.openships.ai/noaa/s57/approach/US4TX1LF/1.0/US4TX1LF.000
- GeoJSON https://charts.openships.ai/noaa/s57/approach/US4TX1LF/1.0/US4TX1LF.geojson
- GeoParquet https://charts.openships.ai/noaa/s57/approach/US4TX1LF/1.0/US4TX1LF.parquet
- Metadata JSON https://charts.openships.ai/noaa/s57/approach/US4TX1LF/1.0/metadata.json
Editions
| Edition | Published | Metadata |
|---|---|---|
| 1.0 | Sep 27, 2024 | metadata.json |