Scott and Mikki Robertson of Rangely are proud to announce the upcoming marriage of their daughter, Mandi Lynn Robertson, to Todd Allan Hirsch, son of Dale and Barb Hirsch of Miles City, Mont. Mandi is a 2005 graduate of Rangely High School. She attended Northeastern Junior College where she received an associate’s degree in ag business and animal science in 2007. In May 2010, she was graduated from Colorado State University, receiving a bachelor’s degree in rangeland ecology. She is currently finishing her master’s degree. Todd is a 2004 graduate of Custer County District High School in Miles City. He also attended Northeastern Junior College where he received an associate’s degree in ag business and production ag. Todd’s family owns and operates Hirsch Farms in Kinsey, Mont. Since college Todd has been helping his dad run their family farm and also working on Mandi’s family’s livestock operation near Rangely. The couple plans an Aug. 13 wedding at the Twin Buttes Ranch.