2023 November Momsen-Dunnegan-Ryan Co. El Paso Texas: Based in El Paso Texas the Momsen-Dunnegan-Ryan Co. built a Trost & Trost designed building in Phoenix in the mid 1920s - perhaps the source of this windmill? https://www.henrytrost.org/buildings/momsen-dunnegan-and-ryan-warehouse-phoenix/. Charles Miles. 11/12/2023.
