Skip to main content
USGS - science for a changing world

Dates

Publication Date
Time Period
2013

Summary

USGS Hill Shade (or Shaded Relief) is a tile cache base map created from the National Elevation Dataset (NED), a seamless dataset of best available raster elevation data for the conterminous United States, Alaska, Hawaii, and Territorial Islands. Derived from the NED using a hill shade technique, this base map represents a continental view showing shaded relief from USGS NED layers at resolutions of 1/3-, 1-, and 2-arc-second (in Alaska only). Shaded relief (or hill shade) function parameters are: point illumination is from the NW (azimuth = 315 degrees), and altitude of the light source is 45 degrees. Color characteristics are the result of applying a color ramp in which RGB values range from white (RGB: 255, 255, 255) to brown (RGB: [...]

Contacts

Attached Files

Click on title to download individual files attached to this item.

USGSShadedReliefOnly.xml
Original FGDC Metadata

View
9.68 KB

Purpose

This cached tiled base map provides a visualization of the free data that is available for download from The National Map at http://viewer.nationalmap.gov/viewer.
Browse graphic showing US representation at small scale.
Browse graphic showing US representation at small scale.

Map

Communities

  • National Geospatial Program
  • The National Map

Tags

Provenance

Data source
Input directly

Item Actions

View Item as ...

Save Item as ...

View Item...