A. The HS classification is completely built on 6-digit codes, which are aggregated first to a 4-digit level, and then to the 2-digit level. Please note that the HS classification does not have a 5-digit level (and also not a 1- or 3-digit level). Yes, it is possible to have only one sub-category at the 6 digit level. Examples are codes 100300, 251400 or 270900 (the last one is the âCrude Oilâ code). These three codes are reflected in exactly the same sense at the 4-digit level, as 1003, 2514 and 2709 respectively.
The Napa Valley Wine Trainâs route runs through one of the top wine growing regions in the world. The combination of Mediterranean climate, geography, and geology of the Valley are conducive to growing quality wine grapes. The Napa Valley is located in Northern California, about 50 miles northeast of San Francisco and about 60 miles west of Sacramento. The Napa Valley is 30 miles long and 5 miles across at its widest point.
Volcanic Field, California. Long Valley caldera, located at the boundary between the Sierra Nevada and the Basin and Range Province, is one of the largest Quaternary rhyolitic volcanic centers in North America. The caldera is elliptical in shape and 10 by 20 miles (15 by 30 km) in size.