Pennsylvania Statutes Title 71 P.S. State Government § 1863. New monuments, numbered consecutively and lettered

II. The new monuments of granite, erected in the years 1881 to 1885, inclusive, by the aforesaid surveyors, at intervals of one mile, more or less, and numbered consecutively, along said line originally surveyed and marked in the years 1786 and 1787, beginning from the Delaware river, and severally marked on the north side with the letters “N. Y.,” and on the south side with the letters “PA.,” and along said line originally surveyed and marked in the year 1790, beginning at the shore of Lake Erie, and severally marked on the east side with the letters “N. Y.,” and on the west side with the letters “PA.,”

III. The new monuments of granite erected by the said surveyors, in the years 1881 to 1885, inclusive, aforesaid, at the intervening points on said line, and at its intersection with public roads, railroads and rivers, and at other points, and severally marked on the one side with the letters “N. Y.,” and on the other side with the letters “PA.”