1. Grosz Sand & Gravel Po Box 101, Delmont, SD 57330 Coordinate: 43.25726,-98.159615 Phone: (605) 779-6221
2. Grosz Sand & Gravel 28450 398th Ave, Delmont, SD 57330 Coordinate: 43.26068,-98.22716 Phone: (605) 779-6221