Upon submission of satisfactory evidence of title the Secretary of the Interior is authorized, in his discretion, to accept title on behalf of the United States to the following described land conveyed to William W. Kiskadden by warranty deed numbered 174403 from Mrs. Arah Chapman, recorded August 24, 1916, in book 339, page 231, records of Larimer County, Colorado: Beginning at the northeast corner of the southwest quarter of section 31, township 5 north, range 73 west, sixth principal meridian, Colorado; thence south four hundred and eighty feet; thence west two hundred feet; thence north 27 degrees 30 minutes west five hundred and forty-one feet; thence east four hundred and fifty feet to the place of beginning, containing approximately three and fifty-eight one-hundredths acres, and in exchange therefor to issue a patent for that portion of the northeast quarter of the southwest quarter and that portion of the southeast quarter of the northwest quarter of section 31, township 5 north, range 73 west, sixth principal meridian, Colorado, more particularly described as follows: Beginning at a point from whence the center quarter-section corner of section 31 bears south 79 degrees no minutes east, three hundred and sixty and nine-tenths feet; thence south four hundred and eighty feet to a point from whence the east quarter corner of section 31 bears north 79 degrees 22 minutes east, two thousand six hundred and seventy-three and six-tenths feet; thence west two hundred feet; thence north 27 degrees 30 minutes west, five hundred and forty-one feet; thence east four hundred and fifty feet to the point of beginning, containing approximately three and five-tenths acres: Provided, That the land conveyed to the United States, other than the land to be patented, shall, upon acceptance of title thereto, become a part of the Rocky Mountain National Park, Colorado, and become subject to all laws and regulations applicable to said park.