§ 251.9 - Management of Municipal Watersheds.

§ 251.10 - Prohibition of location of mining claims within certain areas in the Norbeck Wildlife Preserve, South Dakota.

§ 251.11 - Governing mining locations under the mining laws of the United States within that portion of the Black Hills National Forest, State of South Dakota, designated as the Norbeck Wildlife Preserve.

§ 251.14 - Conditions, rules and regulations to govern exercise of timber rights reserved in conveyance to the United States.

§ 251.15 - Conditions, rules and regulations to govern exercise of mineral rights reserved in conveyances to the United States.

§ 251.17 - Grantor's right to occupy and use lands conveyed to the United States.

§ 251.18 - Rights-of-way reserved by the grantor on lands conveyed to the United States.

§ 251.19 - Exercise of water rights reserved by the grantor of lands conveyed to the United States.

§ 251.23 - Experimental areas and research natural areas.

§ 251.35 - Petersburg watershed.