The lands lying in Pipestone County, Minnesota, within the area hereinafter described are dedicated and set apart as a national monument for the benefit and enjoyment of the people of the United States, under the name of the “Pipestone National Monument”: Beginning at a point twenty-two and four-tenths feet north and forty-five and eight one-hundredths feet west of the southwest corner of section 1, township 106 north, range 46 west, fifth principal meridian; thence north one thousand six hundred and fifty-five feet; thence north eighty-nine degrees fifteen minutes east, seven hundred and eight feet; thence north no degrees forty-five minutes west, six hundred and seven and three-tenths feet; thence north sixty-two degrees five minutes east, nine hundred and eighty-seven and one-tenth feet; thence south twenty-seven degrees fifty-five minutes east, two hundred and sixty-four and five-tenths feet; thence south eighty-eight degrees nineteen minutes east, nine hundred and sixty-seven and five-tenths feet; thence south no degrees twenty-four minutes east, one hundred and forty-four and three-tenths feet; thence south eighty-three degrees forty-three minutes west, four hundred and seventy-two and four-tenths feet; thence south two degrees seventeen minutes east, two thousand two hundred and forty-nine feet; thence south eighty-nine degrees twenty minutes west, four hundred and fifty-eight and two-tenths feet; thence south no degrees no minutes east, one hundred and one and one-tenth feet; thence south ninety degrees no minutes west, one hundred and thirty-seven and two-tenths feet; thence north no degrees no minutes west, one hundred feet; thence south eighty-nine degrees twenty minutes west, one thousand six hundred and eighty-three and eight-tenths feet to the point of beginning; containing approximately one hundred and fifteen and eighty-six one-hundredths acres, including concourse, excluding from the area described herein forty-seven one-hundredths acres, constituting a right-of-way of the Chicago, Rock Island and Pacific Railway.

The administration, protection, and development of such monument shall be exercised under the direction of the Secretary of the Interior by the National Park Service, subject to the provisions of the Act entitled “An Act to establish a National Park Service, and for other purposes”, approved August 25, 1916,1

The quarrying of the red pipestone in the lands described in subsection (a) is expressly reserved to Indians of all tribes, under regulations to be prescribed by the Secretary of the Interior.