Ages for Calcite at Philadelphia Mine (Philadelphia And Nelson Groups; Philadelphia Tunnel; Patented Claims MS 3139a And 3139b And 2823), Crown King, Pine Grove District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 64Ma - 64Ma at this locality