USGS - science for a changing world
Logo and link to The National Map

The National Map


ArcGIS REST Services Directory
JSON | SOAP | WMS

nhd (MapServer)

View In:   ArcGIS JavaScript   ArcGIS Online map viewer   Google Earth   ArcMap   ArcGIS Explorer

View Footprint In:   ArcGIS Online map viewer

Service Description: Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU boundaries from 2 to 14 digits compiled from U.S. Geological Survey (USGS) National Hydrography Dataset (NHD) and U.S. Department of Agriculture (USDA) National Resources Conservation Service (NRCS) Watershed Boundary Dataset (WBD) sources. Purpose: This data is intended primarily for geographic display and analysis of regional and national data, and can also be used for illustration purposes at intermediate or small scales (1:250,000 to 1:2,000,000).

Map Name: Layers

Legend

All Layers and Tables

Layers: Description:

Copyright Text: USGS TNM – National Hydrography Dataset. Data Refreshed April, 2017.

Spatial Reference: 102100  (3857)


Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriMeters

Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP

Document Info: Supports Dynamic Layers: false

MaxRecordCount: 1000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, AMF, geoJSON

Min Scale: 577790.554289

Max Scale: 0



Child Resources:   Info

Supported Operations:   Export Map   Identify   Find   Return Updates