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Aeromagnetic Survey of Medina and Uvalde Counties, Texas

By David V. Smith, Bruce D. Smith, and Pat L. Hill

This map is an index to the location of the survey, which encompasses the area delimited by the corner coordinates:

• Longitudes: -100° 02' 00" and -98° 45' 00"
• Latitudes: 29° 12' 30" and 29° 37' 30".

The counties of Medina and Uvalde, west of San Antonio, Texas, are covered except for a strip bordering the western and southern boundary of the survey. A small area of western Bexar county was also included in the survey area.

The raw data and plots for this survey can be downloaded from links on the Main Page. For further information, read the "readme" text file in each directory before downloading.

The aeromagnetic map seen on the main page contains data from a high-resolution aeromagnetic survey flown in 2001 by Spectra Exploration Geoscience Corporation, under contract to the USGS. The contractor's report can be downloaded (129KB file here) in Adobe Acrobat PDF format.