How deep will a S. petrii lay her eggs? I know that they are very thin and extremely fragile, but how far will I have to dig to find them? Will there be any kind of hill or bump in the sand??? I am just trying to find enough info on the subject before I have to come across it. Any help would be much appreciated!!!

--Laura
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Rejoice, the age of the fall has begun
We'll dance as the palaces burn.
 --Lamb of God, As the Palaces Burn