USGS Open-File Report 2005-1200

Viki Bankey, V.J.S. Grauch, Ank Webbers, and PRJ, Inc.

Digital data and derivative products from a high-resolution aeromagnetic survey 
of the central San Luis basin, covering parts of Alamosa, Conejos, Costilla, and 
Rio Grande Counties, Colorado, and Taos County, New Mexico


This CD-ROM contains digital data files and descriptions of aeromagnetic
data collected during an airborne geophysical survey in the central San Luis 
basin, New Mexico and Colorado, in 2004.  

The digital files include grids, images, and flight-line data.  

The data files and information about their formats and use are 
organized into four folders (directories) as follows.  Files pertaining 
to this report are contained in the "report" folder; files pertaining to 
the gridded data are contained in the "grids" folder; files pertaining 
to the flight-line data are contained in the "linedata" folder; and 
files pertaining to the color shaded-relief images are contained in the 
"images" folder.  In each folder, ASCII files with the extension "txt" 
describe the format and contents of the data files.  Read the "txt" files 
before using the data files.

To begin, read the file "report.pdf" in the "report" folder.  This report
lists and describes the files available in the other folders.  To view
this report, you must have an Adobe Acrobat reader, version 6 or higher, which
can be downloaded at no cost through http://www.adobe.com/.  
Next, open the report folder and double-click on the report.pdf icon to open the
report.  Refer to the built-in help system in Adobe Acrobat Reader for 
assistance with commands.