Since the late 19th century, efforts have been made to identify which vineyards in the Barolo zones produce the highest quality wine. Inspired by the prestige and high prices charged for Grand cru bottlings of Burgundy wine, Barolo producers began separating their holdings into individual vineyard lots and labeling the wines with these single vineyard designations. The practice became so extensive that some producers were doing single vineyard bottlings and charging high prices on all their holdings, regardless of whether the particular vineyard quality merited such a practice.