Amber Manfree | Aug 11, 2015
The map below is not mine - just something I found on the internet
. They might be using the free, open source dataset from David Thompson's Napa Wine Project website
which lists 1,100+ commercial wine producers in Napa. Even Draselle's place is in their list, so a lot of that may be low-impact, small places that happen to have a permit.