Images in this folder are from Wikimedia Commons. Keep this file when redistributing.

1. gpr-cemetery-mapping.jpg
   Source: https://commons.wikimedia.org/wiki/File:Gpr-cemetery-mapping.jpg
   Author: Vadams (own work)
   License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/)

2. calvary-line-23-radargram.jpg
   Source: https://commons.wikimedia.org/wiki/File:Calvary_line_23.jpg
   Author: Tapatio (Wikimedia Commons)
   License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0/)

3. radarsurvey-field.jpg
   Source: https://commons.wikimedia.org/wiki/File:Radarsurvey.jpg
   Author: Archaeo-Physics LLC
   License: Public domain per Commons (PD-author); verify at file page before commercial use.

Educational / illustrative use on arcboundlogic.com. Not site-specific survey data.