An original map produced for the Hydro-Electric Power Commission of Ontario, concerning hydro power lines, stations and transformers. However, the map also features railways, roads and land boundaries.

This map is of the South Section - Napanee Rural Power District. The total area includes parts of Ernestown, Frederickburgh South, Frederickburgh, Richmond, Tyendinaga, and Adolphustown Townships. Dated January 23, 1942. Scale: 2 inches = 1 mile.

Donated by David Pershik.