mstrspy wrote:
I recently discovered a small hole in my back yard filled with water,

snip

This past weekend I filled the hole with rocks and bolders.

Really, really bad idea. Before going further, get a load of sand
(that's SAND!) and start filling it. Bank run gravel may settle
eventually, but sand will compact between the rocks many times faster.
Keep it a foot below grade until next summer, then do the topsoil and
grass seed routine.

HTH

Joe