GROUND WATER ATLAS of the UNITED STATES
Introduction and National Summary
Introduction
(figures 1-4)
Introduction (Click to view thumbnails
and download figures)
- Figure 1 Map showing
the Regional Aquifer-System Analysis study areas
Atlas design (Click to view thumbnails
and download figures)
- Figure 2 Map and
explanation showing the 13 multi-State segments covered in the
Ground Water Atlas of the United States
- Figure 3 Diagram
illustrating the principles of ground-water occurrence and movement
- Figure 4 Map showing
the distribution of the principal aquifers of the United States,
Puerto Rico, and the U.S. Virgin Islands
