Breadcrumb Ag Home Extension County Extension Offices Richland County Services Page Title Services Body NDSU Extension - Richland County offers the following services: Soil Testing Probe Soil Sample Bags ND Farm Record Books Pressure Canner Tester Moisture Meter County Extension Office Richland County 4-H Contact Us Events Services Widgets Contact Info Richland County Mailing address: Address Courthouse, 418 2nd Ave N Wahpeton, ND 58075-4400 United States Phone 701-642-7793 Email NDSU.Richland.Extension@ndsu.edu URL Visit website