I'm getting ready to run to the store, but I think I can show you before I leave...I'm also making a video to help decribe things better.
Shutter, you have the money find location as being North of the angled "berm", or whatever, which I have actually walked on. As for parking cars, there is no area parallel to the "berm" (or blue line as you usually show it) where cars can be parked. Instead, the agents cars would probably be parked in about the same place that Meyer and I parked our vehicles and that is on the road extending west from the north side of the long shed on the Fazio property. From that location, it is an easy walk through the Tina Bar gate and past the containment pond. And that still looks like a group of buildings parallel to the blue line to me.
Georger, a number of years ago, you worked up an excellent picture of the Tina Bar area which includes the pencil circles and a point you identified as the money find location. That money find location you specified is within the pencil circles and just South of the Northern end of the containment pond. And it is about half way between the Southern end of Shutter's green box and the Northern end of his red line. Again, this is well South of the yellow pin.
I blew up your picture to the maximum un-distorted size that I could (12" by 17") and printed it out. Meyer and I used this picture when we were at Tina Bar. I personally gave quite a bit of thought to the possibility that the money could have landed higher up hill toward the containment pond and then eventually slid down closer to the water. And I considered the possibility that the money could have moved from the berm (blue line) area upstream (to the South) slightly to the location given by Tom's GPS coordinates. But that did not seem to be a real possibility.
In all honesty, the pictures of the trenches looks more like they were done at the Southern end of Caterpillar Island.