It was harvested from the creek bank behind my house.

Whenever it rains really hard, the water runoff from the hill picks up decomposed rock, decomposed vegetation, sand and clay, then the water evaporates and leaves it as a topsoil deposit on the creek bank.

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Regards,
Wayne A. Harvey
Thamnophis US
Savannah Monitors
Snakes and Lizards, It don't get any better....