Ag inspectors nip pests and weeds at the U.S.-Canada border

U.S. Customs and Border Protection ag inspection specialists are on duty 24/7 to look for noxious weed seeds and insect pests coming from Canada to the U.S. by rail.  The crossing at Portal, North Dakota, is the fifth busiest railyard in the country, when measured by number of containers. The crossing at International Falls, Minnesota, is the busiest.
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