On and after June 11, 1946, mining locations made under mining laws of the United States within the following-described lands within the Coronado National Forest, Pima County, Arizona: Sections 25, 26, 35, and 36, and the east half of section 34, township 11 south, range 15 east; sections 30, 31, 32, and 33, and the west half of section 29, township 11 south, range 16 east; sections 1, 2, and 3, township 12 south, range 15 east; sections 3, 4, 5, 6, 7, 8, 9, 10, 15, and 16, the west half of section 11, the west half of section 14, and the northwest quarter of section 23, township 12 south, range 16 east; Gila and Salt River base and meridian, shall confer on the locator the right to occupy and use so much of the surface of the land covered by the location as may be reasonably necessary to carry on prospecting, mining, and beneficiation of ores including the taking of mineral deposits and timber required by or in the mining and ore reducing operations, and no permit shall be required or charge made for such use or occupancy: Provided, however, That the cutting and removal of timber, except where clearing is necessary in connection with mining operations or to provide space for buildings or structures used in connection with mining operations, shall be conducted in accordance with the rules for timber cutting on adjoining national-forest land, and no use of the surface of the claim or the resources therefrom not reasonably required for carrying on mining and prospecting shall be allowed except under the national-forest rules and regulations, nor shall the locator prevent or obstruct other occupancy of the surface or use of surface resources under authority of national-forest regulations, or permits issued thereunder, if such occupancy or use is not in conflict with mineral development.