My course is still uncharted, Sunil. I truly appreciate the collection of information and ideas from everyone. I have not discounted anything yet. Quite frankly, I'm not qualified to discount anything yet.
I have been thinking about the rock thing. I may have a bulk option and idea that I might be able to play when the ground gets good and frozen. It would have to be frozen solid so I could get a fully loaded tri-axle all the way around the perimeter road, across the dam, and nearly to the beach.
Just short of the smaller pier that we framed in at the sand beach is an area of embankment that is somewhat less steep; maybe 4:1 or 5:1. It is between the expanse of the dam and the beach zone. I don't have any super good shots of the area, but see if these might help:
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It is the barren area just the other side of this pier. The weeds are a barren area with a more gradual slope that I could possibly back a tri-axle right up to the edge and dump it down the slope.
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This angle is within the basin back a few months ago. It will demonstrate the slope of the area. It is BEFORE the pier framing. You can see the beach zone at right of frame. The pier wound up at the upper left corner of this rectangular shaped beach. The tracks in the soil go right above the area just past the beach that I am considering. That grade looks more like a 4:1, maybe 4.5:1.

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I could bring in the Tri-axle; he would want to haul about 22-24 tons of the following stuff. I could get him to back up and split the load, side-by-side. I would (try to) have him dump it just below the normal pool water line so some of it would slide down hill a little, yet it would stay in a flat mound. It would be this same oversize that I used on the driveway.

It's oversize river rock. It goes from 2" to softball sized with a few basketballs. It has clay mixed in.
I can probably get this delivered for about $9 per ton. I'm heading out to work on the saucers tomorrow. I'm gonna spend some quality time sizing up some potential options, this being one of them.