About Magorian mine services

About company

Welcome to Magorian Mine Services. Magorian Mine Services is one of the largest cave contractors. The caves completed or under construction in Napa and Sonoma counties are Vineyard 29, St. Helena; Ferrari Carano Vineyard & Winery (Mountain Ranch), Healdsburg; Staglin Family Vineyard, Rutherford, including a complete winery underground; Markham Vineyards, St. Helena; La Jota Winery, Angwin; A. Rafanelli Vineyard & Winery, Healdsburg; Gloria Ferrer, Sonoma; Green and Red Vineyard, Chiles Valley (Napa County); and Hanzell Winery, Sonoma. Under construction are: Boeschen Winery, Napa; Lynmar Winery, Sebastopol, Sonoma County; Keever Winery, Napa; Arkenstone Winery and Freeman Winery, near Sebastopol.