Costs Incurred

Costs to acquire and explore our Tetlin Lease and other properties were as follows:



	Three Months Ended September 30,
	2016		2015
Exploration costs, claim rentals, and minimum royalties	$	—	$	14,425
Total costs incurred	$	—	$	14,425

The Tetlin Lease had an initial ten year term beginning July 2008 which was extended for an additional ten years to July 15, 2028, and for so long thereafter as the Company initiates and continues conducting mining operations on the Tetlin Lease. The prior year expense relates to the amortization of claim rental payments with August 2015 expirations. The Joint Venture Company is responsible for making all future claim rental and minimum royalty payments.