https://sonomawine.com
https://sonomawinegrape.org
https://www.sonomacounty.com
Sources
American Wine by Jancis Robinson and Linda Murphy
World Atlas of Wine, 7th edition by Hugh Johnson and Jancis Robinson
A Companion to California Wine by Charles L. Sullivan
Sonoma Wine and the Story of Buena Vista by Charles L. Sullivan
Sonomawine.com
Sonomawinegrape.org
Sonomacounty.com
https://earth.google.com/web/search/Sonoma+County,+CA,+USA/@38.46308797,-122.98997532,82.7383619a,116508.22061295d,35y,0h,0t,0r/data=CoEBGlcSUQolMHg4MDg0MjI1ZDdkYWRiNjhmOjB4NDk0OTEzMjAwNTI3YTZmZRmMhSFy-klDQCF175cFSb9ewCoWU29ub21hIENvdW50eSwgQ0EsIFVTQRgBIAEiJgokCZv4QOIKsTVAEZ34QOIKsTXAGUKPkFkkJkVAIb9qFkBfx07A