[2] Calzona was born as a railroad town and shipping point for the mining camps that were active in the region in the first decade of the 20th century.

It’s surprising now to recall how many old burro men were coming from their claims and dry washers in those days, loaded with maybe $100 or $150 worth of placer gold to blow in at such places as Calzona, Ehrenberg or Quartzsite.The First Annual Report of the Arizona Corporations Commission documents two trade disputes between mining companies and the El Paso and Southwestern System.

[4] The Second Annual Report shows that the Morgan and Bradley company of Calzona received $129.39 in full settlement of their claim.

[5] A Winter 1977 article in Old West Magazine makes many references to the original town site of Calzona.

Utilizing contemporary interviews, author Tom C. Murray references Jimmy Wilson, who was a Constable at the Calzona township.

Also interviewed is Inspector Hal Oxnevad "who directed law enforcement in the Calzona area for many years and was in charge of the jail and Sheriff's substation."

Water shortage doomed Calzona's infant grapefruit orchards while the fire ended the little business district."

117 owned by the Atchison, Topeka and Santa Fe Railway Company derailed at about 10:30 PM on June 25, 1942, 2.88 miles east of Calzona.