The Minnesota Pollution Control Agency has spent years documenting and monitoring all 80 of Minnesota's major watersheds in order to gain data about the health of the state's rivers, lakes and streams.
Minnesota officials say tomatoes were the source of a salmonella outbreak that has sickened dozens of people who ate at Chipotle restaurants in the state since August.
Potential users of medical marijuana have about one week to participate in a survey that could help the state get a picture of the likely demand for the drug.