Comment Turns out the area may not have been covered (Score 1) 356
According to this post it doesn't look like we were looking in the right place:
"I was involved in the mturk search for Fossett last fall and saved all of those overlays we were using. None of the ones I saved cover the area where the Fossett items were recently discovered near Minaret Lake/Minaret Mine. All of the overhead imagery covered areas further to the north of Mammoth."