Pyrite's use in the early 1900s was the manufacture of sulphuric acid. In pre-war times, it was mainly used to manufacture fertilizer. In war times, the acid was used in large amounts to produce practically all high explosives. In a 1917 report, it was estimated that between eight and nine million tons of sulphuric acid would be needed in 1918, with Georgia having the greater number of acid plants than any other state.
The Tallapoosa Mine (Waldrop Mine), Haralson County, Georgia was located near Draketown, Georgia. Various minerals came from this mine, including pyrite, dolomite, quartz, malachite, galena and others. In 1918 from a report on the mine, underground work included a vertical shaft 48 feet deep, with the main level being 150 feet down an incline, with a great amount of limestone present.
From a report from Harold Kurtz Shearer and Joseph Poyer Deyo Hull in 1918, it was stated that the Little Bob and Shirley mines which are under the same management, are ready to produce 10,000 tons of pyrite a month if they can get the necessary labor. They had explored 450 feet within the Little Bob mine at that time, and was predicted to have a life of many years. Little Bob mine was located in Paulding County, Georgia.