This file "readme.txt" lists the contents of this CD-ROM. 1) The "addendum.pdf" file contains a brief description of the modifications and additions that is contained on this CDROM in addition to the material described in the report. 2) The Appendix folder contains plates from the "Sources of Salinity in the Rio Grande and Mesilla Basin Groundwater" NM WRRI Technical Report 330. See the "listofplates.pdf" document for a list of plate captions. 3) The Plates folder contains the plates created for this project. See the "ListOfPlates.pdf" for a list of captions. Each plate is in pdf format. 4) The Tables folder contains tables of well data. The file "indexfigure.pdf" is a map that shows the original study area and the additional area covered with the addendum.