Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Share via Email Share via SMS Copy LinkCattle and the sand hills near Gudmundsen Ranch, Whitman, Nebraska. Craig Chandler, University Communication | courtesy photo Gudmundsen Ranch – Whitman, NebraskaThe University of Nebraska–Lincoln’s Gudmundsen Sandhills Laboratory (GSL) will host its annual open house Wednesday, Aug. 19, near Whitman. Located in the Nebraska Sandhills, the Gudmundsen Sandhills Laboratory spans Grant, Hooker and Cherry counties. GSL plays a key role in developing environmentally and economically sustainable plant and animal production systems for the Nebraska Sandhills. To register for the open house and view the itinerary, visit go.unl.edu/gslopenhouse.