 On all its coal operations, including Jerome and Boswell, Hillman Coal and Coke reported an operating profit of approximately $925,000, on revenues of $8.225 million in 1919, and an operating profit of approximately $336,000, on revenues of $4.475 million in 1921.But Jerome was seething.Hillman Coal & Coke cut miners' wages a second time during the deflation of 1921 and working conditions remained hard and strict, to miners' perception.