(Thematic - Business) Portland Area High Technology Evolution Gunnison A wonderful map for the

A wonderful map for the region which draws heavily from Lewis Evans 1749 map of the area

The Marquisate and Government of Bell-Isle Devided into it's four Parithes

drainage ditches

Virginia is likewise

this map is enhanced with three vignettes for the "Smithsonian Institue"

(Thematic - Business) Portland Area High Technology Evolution Gunnison A wonderful map for the(Thematic Business) Portland Area High Technology Evolution, Cacy & Linch, 1984The trajectory is familiar to post WW II tech regions where small businesses started in basements by electronics hobbyists and amateurs, and turns into brick and mortar stores. Companies like Hawthorne Electronics, one of the earliest companies shown would become a general electronics shop that built oscillascopes in back, with a store in front. Tracing the roots and