Marker: 
Charles D. Poston -“The Father of Arizona” copper plaque 
 
Location: 
Pinal County Historical Society Museum
715 South Main Street
Florence, Pinal County, Arizona
33.024859, -111.387224

Historical Significance:        
This native copper plate was erected by the State of Arizona in conjunction with Maricopa Chapter, NSDAR, as the Poston Butte pyramid was completed, twenty‑three years after Poston’s death. The copper plate was provided by New Cornelia Copper Company with General John C. Greenway acting as General Manager. Arizona Governor George W. P. Hunt and George H. Kelly, State Historian, attended the dedication. 

Link:
​Pinal County Historical Society & Museum

Dedicated:
April 26, 1925

Chapter:
Maricopa Chapter, NSDAR

Photo by Deianna Jones & Sue Roberts Feb. 10, 2019