File consists of one photograph showing Dana Porter with others, including Bryan L. Cathcart, at an exhibit in Chalk River about Nuclear-Electric Power.

File consists of a hardcover notebook containing field notes by Hynes. Includes enclosures (maps, charts, notes, and correspondence). Most field notes were taken in the British Isles, and some were taken in Ontario, Canada (Chalk River, Perch Lake).

*Some place names include: Bala shore, Isle of Wight, North Scotland, Arbory stream, Orkney, Shetland.