Play - "Big" The Musical Rushville - Plains Theatre July 1-4 and July 8-11, 2010 Friendly Festival Hay Springs August 26 - 27 -28, 2010 Willow Tree Festival Gordon September 11 & 12, 2010   Tours As the fourth largest county in Nebraska, there is a lot of ground to cover in Sheridan County. We recommend the above tours to see the many unique and historical sites as well as stories of early settlement Flying Heart Ranch Hay Springs Mirage Flats Irrigation Project Hay Springs Sandhills Guest House Lakeside Sheridan Gallery, The Gordon