| Pennsylvania (Tioga County), Mansfield — Camp of the Pioneers |
| | This tablet marks the camp of the pioneers constructing the Williamson Road. Weather conditions delaying the construction. Canoes were built and used from this camp to Apple Island 1792-93 Placed by Wellsboro Chapter Daughters of the American Revolution 1930 — Map (db m14318) |
| Pennsylvania (Tioga County), Mansfield — Corning & Blossburg Railroad |
| | One of the early railroads in the Northeast was completed in 1840 from Corning, N.Y. to Blossburg. It was built by the Tioga Navigation Company to connect the Chemung Canal, and the Erie Railroad, with the local coal fields. — Map (db m14301) |
| Pennsylvania (Tioga County), Mansfield — Mansfield Soldiers Orphan School |
| | In memory of Professor F.A. Allen erected by former pupils of the Mansfield Soldiers Orphan SchoolHis words of wisdom and tender admonition have provided a guide and inspirationThis tablet marks the site of the school, 1867-1889 — Map (db m14289) |
| Pennsylvania (Tioga County), Mansfield — Rural Electrification |
| | In 1936 seventy-five percent of Pennsylvania farms had no electric service. During the next five years, with Federal support, 14 consumer-owned cooperatives were formed in the State. Tri-county Rural Electric Cooperative, serving much of north-central Pennsylvania from Mansfield, was incorporated October 24, 1936. — Map (db m14288) |
| Pennsylvania (Tioga County), Mansfield — Williamson Road |
| | Here the road builders late in 1792 ended work. After facing starvation, they were rescued by canoes and supplies from Painted Post. Canoe Camp derived its name from the incident. — Map (db m14316) |