Answer

The Ina Road Wastewater Treatment Facility.

Photo 'A' is wrong and has these alterations:

  1. Tree removed
  2. Building added
  3. Surplus added
  4. Two extra tanks added
  5. Shed added

The correct photo is 'B' below:

Ina Road Wastewater Treatment Facility.

In 1979. Photo courtesy RWRD.

In 1998. Photo courtesy RWRD.

Pima County has a rich supply of geographic and mapping resources that are useful in a wide variety of government applications.

Except where noted, Puzzler images were derived from data maintained by the County's GIS Division.