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web_mercator/bag_hillshades (MapServer)

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View Footprint In:   ArcGIS Online map viewer

Service Description:

Map Name: Layers


All Layers and Tables

Layers: Description: Bathymetric Attributed Grid (BAG) is a non-proprietary file format for storing and exchanging bathymetric data developed by the Open Navigation Surface Working Group. BAG files are gridded, multi-dimensional bathymetric data files and is the standard NOS hydrographic data file for public release. Current versions of the BAG file contain position and depth grid data, as well as position and uncertainty grid data, and the metadata specific to that BAG file, providing end users information about the source and contents of the BAG file. • This cached map service displays detailed color shaded relief visualizations of the NOS Hydrographic Survey BAG files available in NGDC's archive. Many near-shore areas have been mapped at high resolution (often 1 meter or better). The depths are usually relative to Mean Lower Low Water (MLLW). • The corresponding NOS Hydrographic Surveys map service (tiled: or dynamic: displays the footprints of the hydrographic surveys, along with additional metadata and links to obtain the data. • For information about NOS Hydrographic Survey Data at NGDC, please see: • In the imagery, depths are represented using the color scale shown here: • WARNING: These data not to be used for navigation. Although these data are of high quality and useful for planning and modeling purposes, they are not suitable for navigation. For official navigation products, please refer to the U.S. nautical charts available from the NOAA Office of Coast Survey.

Copyright Text: NOAA Environmental Satelite, Data, & Information Service (NESDIS), National Geophysical Data Center (NGDC); National Ocean Service (NOS)

Spatial Reference: 102100  (3857)

Single Fused Map Cache: true

Tile Info: Initial Extent: Full Extent: Units: esriMeters


Document Info: Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF

Min Scale: 2.95828763795777E8

Max Scale: 4513.988705

Child Resources:   Info

Supported Operations:   Export Map   Identify   Find   Return Updates