MPR News photos of the week

1 A "keep out" sign is posted at the end of the driveway to the Kerber family property Monday, April 2, 2012 in Jordan, Minn. Five members of the family were killed Sunday morning when their vehicle crashed on a Kansas highway. The dead are identified as Tom Kerber, 25, and Melissa Kerber, 24, of New Prague; Joy Kerber, 14, James Kerber, 12 and Jessica Kerber, 10, of Jordan. The family was on vacation to a motocross race. 
2 Mike Jorgenson and Kathy Draeger moved their family of five from St. Paul to a 320-acre farm in Big Stone County four years ago. Much of Big Stone County has been labeled a food desert by the USDA. "Here we are in the heart of farm country and yet considered a food desert," Draeger wrote on her blog. Draeger is the statewide director of the University of Minnesota's Regional Sustainable Development Partnerships as well as an adjunct professor of agronomy and plant genetics. Draeger's son Lake Jorgenson, 7, enjoys his mom's attention at the family's farm. 
3 Bonnie Carlson, owner of Bonnie's Hometown Grocery, talks to customer and birthday boy, Nathanael Okeson, 5, on Thursday, March 29, 2012, at her store in Clinton, Minn. Okeson, his mom and grandma stopped in to purchase a chocolate birthday cake. 
4 A new study released this week documents the drastic impacts deer are having on the forest along the North Shore. Foresters can build fences around some pine trees, spray repellants on their needles, or cap their buds to prevent deer from eating them, however, that's expensive and labor intensive on a large scale. 
5 Steven Orfield, president of Orfield Laboratories, stands in the anechoic chamber in Minneapolis that's been dubbed by Guinness as being the world's quietest room. 
6 Leech Lake Band of Ojibwe member Crystal Goose holds a picture of her son, 32-year-old Jeremee Kraskey, who was murdered Feb. 26, 2011 in an alley in south Minneapolis. Kraskey was a member of the Native Mob, and his murder is believed to be gang related. Behind Goose, an urn with Kraskey's ashes sits on a pillow as part of a shrine she set up in the living room of her rural Cass Lake home. 
7 Deckhand Glenn Carlson ties up an Aggregate Industries barge filled with 2,400 tons of sand and crushed limestone Wednesday, April 4, 2012 along the Mississippi River in north Minneapolis. The materials were mined on Grey Cloud Island in St. Paul Park and then shipped upriver through the Upper St. Anthony Falls lock and dam. If the invasive Asian carp is found nearby in the river, a bill moving through Congress might close the lock and dam to river traffic. 
8 Two wind turbines at the University of Minnesota-Morris produce between 60 and 70 percent of the electricity used on campus, one of the most sustainable in the country.