Figure 3-1: South Dakota Surface Merchandise Trade with Canada and Mexico,,,,,,,,, (Millions of current dollars),,,,,,,,, ,,,,,,,,, "SOURCE FOR DATA ON THIS PAGE: U.S. Department of Transportation, Bureau of Transportation Statistics, Transborder Surface Freight Data, available at http://www.bts.gov/ntda/tbscd/reports.html as of August 2002. ",,,,,,,,, ,,,,,,,,,,, ,,,,,,,,,,,