Breadcrumb Ag Home Directory Madalyn Lavallie Title Madalyn Lavallie Position Administrative Assistant Extension Leadership Team Part time Email madalyn.lavallie@ndsu.edu Offices Rolette County Mailing address: Courthouse, PO Box 430 Rolla, ND 58367-0430 Physical address: 102 2nd St NE Rolla, ND 58367 Phone Office hours: 8:30 a.m.-4:30 p.m. ID