(b) There will be incorporated in patents issued on applications under the above Act, the following:

Excepting and reserving, however, to the United States, the coal and all other minerals in the land so patented, together with the right of the United States or its permittees, lessees, or grantees, to enter upon said lands for the purpose of prospecting for and mining such deposits as provided for under the Act of February 23, 1932 (47 Stat. 53).