BLACK HILLS NATIONAL FOREST — Shortly after 3 p.m. Monday, Aug. 10, a 2016 Harley-Davidson motorcycle was eastbound on Nemo Road in the Black Hills National Forest when troopers say the driver failed to negotiate a curve in the roadway. BLACK HILLS NATIONAL FOREST — Shortly after 10 p.m. Monday, Aug. 10, a 2024 Harley-Davidson motorcycle was southbound on Vanocker Canyon Road near Galena Road, roughly five miles south of Sturgis, when troopers say the biker failed to negotiate a curve and left the roadway, causing the operator to become separated. — At approximately 4:15 p.m. Monday, Aug. 10, a 2001 Harley-Davidson motorcycle was northbound on Rochford Road near Divide Road, roughly 1.5 miles southwest of Rochford, when troopers say the driver failed to negotiate a curve in the roadway.