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*  MEXICO
Two tortoises, snakes, and deer. Anterior half of tortoise at left margin and posterior half of another tortoise at right margin, extending into selvedge ...
http://www.personal.psu.edu/staff/c/r/crr2/turtstmp/update.0212/countries/MEX.html
*  MEXICO
This stamp was later re-issued w/ tiny "2006" inscribed in bottom margin, again w/ "2007" and again w/ "2008" in bottom margin ...
http://www.personal.psu.edu/staff/c/r/crr2/turtstmp/update.0903/countries/MEX.html
*  Amphetamine Drugs on The Pacific Rim
This is the state of affairs in Mexico, by far the largest source of the drug in the US, and and in certain Asian countries, ... Crucially, too, fears of Asian importers subsided because speed supplies were so much more easily obtained from Mexican labs: ... and to clandestine imports from Mexico, and by 1971, legal production had risen to twelve billion pills. Just the amount ...
http://www.personal.psu.edu/faculty/j/p/jpj1/pacific.htm
*  Main web page
... but the range black cherry extends from central regions of the Ontario province in Canada to the southern regions of Mexico. ...
http://www.personal.psu.edu/mac17/blogs/main_web_page/