Stock photography, photos: Trail to Windmill Stock photos of A cattle trail leads to a windmill in the distance. Sheyenne National Grassland, North Dakota. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: grassland, sheyenne national grassland, sheyenne ng, North Dakota, ND, United States, United States of America, America, US, USA, trail, national grassland, north america, spring, windmill