Here is the original report those links are based on. http://www.nytimes.com/interactive/2014/10/14/world/middleeast/us-casualties-of-iraq-chemical-weapons.html?hp&action=click&pgtype=Homepage&version=Banner&module=span-ab-top-region®ion=top-news&WT.nav=top-news&_r=0
Wrong, not buried in mud.
Left in “sealed” bunkers.
I can read.