More to explore:
15 Surprising Uses For Eggshells
How and Why to Feed Eggshells to Your Chickens
Cute eggshell garden.
8 Things *NOT* to do in the winter! ~Cold weather chickens
When planting tomatoes, put a couple crushed aspirin along with eggshells under plants.
What a great thing to do with all those shells from the beach!
Eggshells in the Garden
How to Feed Eggshells to Chickens
Weird things you Did not Know you Could compost.