http://nationalatlas.gov/atlasftp.html?openChapters=#chpwater
Raw Data Download :
Nearly all data available in the National Atlas Map Maker can be downloaded at no cost. This raw data and its most up-to-date documentation is accessible from the index below.
This index lists all of the map layers currently contained in nationalatlas.gov™, by broad subject categories that correspond to the chapters of the National Atlas.
Raw Data Download :
Nearly all data available in the National Atlas Map Maker can be downloaded at no cost. This raw data and its most up-to-date documentation is accessible from the index below.
This index lists all of the map layers currently contained in nationalatlas.gov™, by broad subject categories that correspond to the chapters of the National Atlas.