...and back to your original question...
Posted by: t.george on Feb-01-13 8:23 AM (EST)
generally fight for it to the last with bracing or whatever works. The one place I will forgo trying to save it is if I know I can get clear by hammering down even if it will cause a capsize. Rock gardening is lots of instantaneous decisions with potential for serious consequences for the wrong choice.
YMMV, t.george