"President Obama's Fiscal Year 2012 proposed budget calls for charging a 5% royalty on the gross proceeds of hardrock minerals mined on public lands including silver, gold and copper."
http://www.mineweb.com/mineweb/view/mineweb/en/page72068?oid=120691&sn=Detail&pid=72068
Tyhee and Romarco Minerals are very analogous in many ways. For one, they're both on PRIVATE LAND.
B.