71 Pa. Stat. § 918
The said secretary of the land office, the receiver general, and surveyor general shall be appointed by the general assembly, and commissioned by the president or vice president in council, and shall hold their said offices for the term of five years, unless sooner removed by the representatives of the freemen of this commonwealth, in general assembly met. And the said secretary of the land office, receiver general and surveyor general, shall be entitled to receive such fees, from time to time, as heretofore have been allowed by law, until the same shall be altered by the legislature, and shall have power to appoint deputies or clerks, to assist in executing the business of their respective offices, for whose conduct they shall be responsible, and copies of records, entries and papers of the said office, duly attested by them, or their lawful deputies, under their hand and seal of office, shall be as good evidence as the original by law might or could be. And the surveyor general shall have power to appoint a deputy or deputies in any county of this state, who shall have power to make and return into the land office surveys of land, only in the county for which such deputy or deputies shall be appointed, for the conduct of which deputy or deputies the said surveyor general shall be responsible.
71 P.S. § 918