400-odd km North of LA? Anywhere near any nuclear testing grounds (or within the prevailing wind patterns around them)? Or possibly near some natural radioactive mineral deposits?<br><br>Good to see that they mark it on the maps anyway - you wouldn't want to wander in there without knowing about it would you?<br><br>Adrian.
Adrian
<a href="http://www.fourmilab.ch/etexts/www/atomic_tests_nevada/">http://www.fourmilab.ch/etexts/www/atomic_tests_nevada/</a>