R tools for geo-web processing of gridded data via the Geo Data Portal (cida.usgs.gov/gdp).
install this package using
This software is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy at http://www.usgs.gov/visual-id/credit_usgs.html#copyright
This software is provided "AS IS".