Momsen Dunnegan-Ryan Hardware Co.
El Paso, TX
Company information link;
Location:
Organ Pipe Cactus National Monument, Arizona
Located at Bates Well on the northern edge of the monument. The first well may have been dug at this location as early as 1870. Ranch buildings and this windmill can be visited by driving South on Bates Well Road, off AZ 85, a few miles East of Ajo, AZ on a well-graded dirt road, suitable for any 2 WD vehicle.
March 2020
Junior Ranger - Senior Friendly Programs 
I didn’t know Linda Ronstadt’s family was involved with windmills!
They ran a hardware store in Tucson, I believe they added their name to the windmill.