| Go back to previous topic | | Forum name | General Discussion | | Topic subject | it goes beyond GPS and satellites. | | Topic URL | http://board.okayplayer.com/okp.php?az=show_topic&forum=4&topic_id=12874926&mesg_id=12875949 |
12875949, it goes beyond GPS and satellites.
Posted by SoWhat, Mon Aug-10-15 02:00 PM
the US gov't has actually been on the ground in all 50 states. the land has been studied from the ground, not just from the air.
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