71 Pa. Stat. § 917
That an office be, and it is hereby erected, constituted and appointed, which shall consist of three persons, or officers, called or known by the names of the secretary of the land office, receiver general and surveyor general, which office shall be held and kept in the city of Philadelphia, or such other place as the general assembly shall from time to time order and direct, and that into the said office shall be removed and safely kept all the records and papers of the former land office or board of property, in the hands, custody or possession of the late secretary, surveyor general, receiver general, or of any other person or persons entrusted with the care or management thereof, by or under the late proprietaries of the province of Pennsylvania, or of their governors or lieutenant or deputy governors; and all future grants and confirmations of land shall issue from the said office, in manner and form herein mentioned.
71 P.S. § 917