I'd spread it out with the bobcat, then till it into the soil to incorportat it, then get a sheepsfoot roller in there to compact it. You can't just spread it out on the soil and fill the pond.

On second thought you can just spread it out, but don't expect it to seal the pond.... wink

BTW, Welcome to the forum!!

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3/4 to 1 1/4 ac pond LMB, SMB, PS, BG, RES, CC, YP, Bardello BG, (RBT & Blue Tilapia - seasonal).