JC Heiken Angus & Sons 18th Annual Production Sale, Miles City Livestock Commission, Miles City, Mont., 406-855-7839, jcheikenangusandsons.com

Triangle J Ranch and Altenburg Super Baldy Ranch LLC Colorado Select 3rd Bull Sale, Centennial Livestock Auction, Fort Collins, Colo., 970-481-2570, 308-627-5085, altenburgsuperbaldy.com, trianglejranch.com

Gnerer Angus Annual Bull Sale, at the ranch, Olive, Mont., 406-498-6113, 406-935-3183, gnererangus.com