43 C.F.R. § 3505.60 : Public Lands: Interior — REGULATIONS RELATING TO PUBLIC LANDS — BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR — MINERALS MANAGEMENT (3000) — LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE — PROSPECTING PERMITS —PROSPECTING PERMIT TERMS AND CONDITIONS — How long is my prospecting permit in effect?
Your prospecting permit will be effective for an initial term of 2 years.