Tracking Water in Ancient Aquifer

How to track ancient water -- From Terry Steinborn

Rare Krypton 81 Isotope Helps Track Water in Ancient Nubian Aquifer - NYTimes.com:

'via Blog this'

New site for making maps--Geospatial Platform

Geospatial Platform:

'via Blog this'

It still need work because you cannot save your maps--they look good on the screen though.

Harry Allen