This is a map of the Dayton Quadrangle. The potential vineyard sites are highlighted in pink. These maps were created to preserve certain locations from residential growth.
Adelsheim, David and Lett, David, "Dayton Quadrangle, Oregon" (1973). Land Use Planning Maps: David Adelsheim Collection. Image. Submission 10.
Grape growing, David Adelsheim, David Lett, Dayton Quadrangle