Northwest Area of the Commonwealth (map)

From Author Wars - https://authorwars.com/books/northwest-area-of-the-commonwealth-map-1079389.html

Overview:

Title: Northwest Area of the Commonwealth (map)
Author: Suford Lewis
Year: 1984
Type: Interior Art

Editions/Publications:

Unknown. Plan[e]t Engineering (Unknown, Suford Lewis, NESFA Press, ISBN-10: 0915368250, $15.00, xvii+155 pages, Hardcover, Collection)
Unknown. Plan[e]t Engineering (Unknown, Suford Lewis, NESFA Press, ISBN-10: 0915368838, $30.00, xvii+155 pages, Hardcover, Collection)