9.190—Red Hill Douglas County, Oregon.
        
        (a) Name.
         The name of the viticultural area described in this section is “Red Hill Douglas County, Oregon”. For purposes of  part 4 of this chapter, “Red Hill Douglas County, Oregon” is a term of viticultural significance.
    
    
        
        (b) Approved Maps.
         The appropriate maps for determining the boundary of the Red Hill Douglas County, Oregon viticultural area are three United States Geological Survey (USGS), 1:24,000 scale, topographic maps. They are:
    
    
    
    
    
        
        (c) Boundary.
         The Red Hill Douglas County, Oregon viticultural area is located in Douglas County, Oregon, east of Interstate 5 near the hamlet of Rice Hill, between the villages of Yoncalla and Oakland.
    
    
        
        (1) 
         Beginning on the Yoncalla map along the southern boundary of  section 35, T23S/R5W, at the point where a pipeline crosses the T23S/T24S township line, proceed due west 0.8 mile along the T23S/T24S township line to its intersection with the 800-foot contour line just west of Pollock Creek in  section 34, T23S/R5W (Yoncalla Quadrangle); then
    
    
        
        (2) 
         Proceed southerly along the meandering 800-foot contour line, cross onto the Sutherlin map in  section 10, T24S/R5W, and continue westerly along the 800-foot contour line to its first intersection with the eastern boundary of  section 8, T24S/R5W (Sutherlin Quadrangle); then
    
    
        
        (3) 
         Proceed northerly along the meandering 800-foot contour line, return to the Yoncalla map in  section 9, T23S/R5W, and continue northerly along the 800-foot contour line to its intersection with the T23S/T24S township line very near the northwest corner of  section 4, T24S/R5W (Yoncalla Quadrangle); then
    
    
        
        (4) 
         Proceed northeasterly along the 800-foot contour line, cross Wilson Creek in the northern portion of  section 23, T23S/R5W, pass onto the Scotts Valley map at  Section 14, T23S/R5W, and continue northeasterly along the 800-foot contour line to its intersection with the R4W/R5W range line, which at that point is also the eastern boundary of  section 1, T23S/R5W (Scotts Valley Quadrangle); then
    
    
        
        (5) 
         Proceed southwesterly along the 800-foot contour line, re-cross the R4W/R5W range line, and continue to the second intersection of the 800-foot contour line and the pipeline in  section 1, T23/R5W (Scotts Valley Quadrangle); then
    
    
        
        (6) 
         Proceed 5.75 miles southwesterly along the pipeline, cross Wilson Creek in  section 24, T23S/R5W, return to the Yoncalla map in  section 26, T23S/R5W, and continue southwesterly along the pipeline to the point of beginning at the intersection of the pipeline intersection and the T23S/T24S township line in  section 35, T23S/R5W (Yoncalla Quadrangle).