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In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.

Nevada Mining Townsite Conveyance Act of 2012 - Directs the Secretary of the Interior, acting through the Bureau of Land Management (BLM), to convey, to the counties in which they are situated, all interest of the United States in certain mining townsites in Esmeralda and Nye Counties, Nevada.

Requires a county receiving a site to reconvey the property to anyone with a valid interest in the site. Requires, for purposes of proving a valid interest, that anyone making the claim must have occupied the site for a least 15 years immediately before enactment. Prohibits a county from recognizing a claim submitted more than 10 years after enactment.

Requires the preservation and protection of all historic and cultural resources on conveyed or reconveyed sites.
Output:
To provide for the conveyance of certain public lands under the jurisdiction of the Bureau of Land Management in and around historic mining townsites in Nevada, and for other purposes.