Marker: Jack & Trinidad Swilling Plaque on Fountain
Location: County-City Administration Building 125 W. Washington Street Phoenix, Maricopa County, Arizona 33.447702, -112.075799 Historical Significance: John W. “Jack” Swilling was a Confederate lieutenant and miner who founded a settlement in the Salt River Valley. He was inspired by the canal system used by the Hohokam and founded the Swilling Irrigating & Canal Co. in 1867. He was in Yuma when he died, and he is buried in Yuma cemetery, Catholic section. His wife, Trinidad, born in Hermosillo, Mexico(1850-1925), went on to run the Swilling Company long after Jack Swilling died on August 12, 1878.