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4 WINES&VINES November 2018 TABLE OF CONTENTS PUBLISHING INFORMATION: Volume 99 Number 11 Wines & Vines, ISSN 043-583X, a member of Wine Communications Group, Sonoma, Calif., is published monthly. Periodicals postage paid at San Rafael and at additional mailing offices. Reproduction in whole or part without permission is prohibited. Wines & Vines does not assume responsibility for unsolicited manuscripts or materials. Contributors are responsible for the proper release of proprietary and/or classified information. Wines & Vines is distributed through an audited circulation. SUBSCRIPTION RATES: U.S., $38; Canada/ Mexico, $48; All other countries, $85 (for airmail add $85). POSTMASTER: Send address changes to: Wines & Vines, PO Box 1649, Boulder, CO 80306-1649. 8 Question of the Month 10 Editor's Letter 98 Advertiser Index METRICS 12 U.S. Wine Sales up 3%, Sonoma Overtakes Napa in DtC NEWS 14 Top Stories Global trade disputes putting wine sales at risk 21 Regional News 90 Eastern News Damp Vintage in the Eastern U.S. PRODUCTS 24 News Winemaking transfer hose, an auto- mated barrel picker COLUMNS 26 Viewpoint Join the soil health revolution. By Karen Ross 2018 WINERY & VINEYARD VENDOR GUIDE 42 Vendors listed by product or service type 45 Alphabetical listing of all vendors WINEMAKING 28 Technical Spotlight: Ashes & Diamonds Former music executive seeks to celebrate Napa Valley's greatest hits with a new winery for 'old school' winemaking. By Stacy Briscoe 34 Product Focus: Cellar Floors and Drains What wineries should know before renovating or installing new cellar floors and drains. By Stacy Briscoe 72 Domestic Sparkling Wine Finds its Identity Winemakers on both coasts of the U.S. describe their techniques to produce sparkling wine. By L.M. Archer 80 Sulfur Dioxide Measurements in the Winery Conventional methods to determine molecular SO 2 can overestimate the amount that is actually present. By Raquel Kallas 84 Upgrading Traditional Lab Analysis Potential impacts on quality and winemaking confidence. By Stacey Moskwa 28 42