ARTICLE EIGHTH It is further mutually agreed by and between the parties hereto, that if any doubt, question, difference, cause, or suit shall at any time or times, hereafter, arise or happen between the said parties to these presents, touching the construction of these presents, or any clause, matter, or thing herein contained, or any other matters, cause, or thing whatsoever, in any wise relating to or concerning this agreement, and such doubt, question, difference, or dispute, shall not be fully settled by the parties to these presents within one calendar month after the same shall arise, then, in every such case, upon the request in writing of either of the said parties hereto, specifying such doubt, question, difference, or dispute, it shall be committed and referred to the hearing and arbitration of three disinterested persons; one of them to be chosen by the party of the first part, another of them to be chosen by the party of the second part, and each party on ten days’ notice in writing from the other, shall make such choice, and appoint a disinterested person in behalf of such party, but, if either party on such notice shall within such ten days fail to make an appointment, the person appointed by the other party shall choose the second disinterested person, and the third disinterested person shall be chosen within one calendar month next after such request; and the award, order, or determination of the said three persons, to be chosen as aforesaid, or any two of them, shall be binding and conclusive on the parties hereto, and shall be performed and kept by them, without any further suit or trouble whatsoever; provided such award, order, or determination, be made in writing, under the hands of the said three persons, or of any two of them, within the space of sixty days after all the persons shall be so selected, as aforesaid. And for the further and better enforcing the performance of the award, so to be made, as aforesaid, the reference or submission for or in respect of the same, may, at the option of any of the parties to these presents, from time to time be made as a matter of course, a rule of court in any court of record. In witness whereof, the said South Improvement Company and Pennsylvania Railroad Company have caused their respective corporate seals to be hereto affixed, and these presents to be subscribed by their respective presidents, the day and year first above written. [SEAL] SOUTH IMPROVEMENT COMPANY. By P. H. WATSON, _President_. [SEAL] PENNSYLVANIA RAILROAD COMPANY. By J. EDGAR THOMPSON, _President_.