Safety Data Sheets for the various quarries that mine Indiana Limestone are available here:

Big Creek -  Buff

BG Hoadley -  Buff      Gray   Variegated

Elliott Stone - (Bedford)  -  Buff     Gray   Variegated

Elliott Stone - (Bloomington)  -  Buff & Gray    Variegated

Evans  -  Buff      Gray     Variegated

Independent Limestone  -  Buff     Gray    Variegated

Indian Creek  -  Buff & Gray    Variegated

Indiana Limestone (Oolitic)  -  Buff     Gray    Full Color Blend    Silver Buff

Indiana Limestone (Victor)  -  Buff     Gray    Full Color Blend     Silver Buff

Reed Quarries  -  Buff     Gray    Variegated