Answers

• Where is this feature located?
  Just south of Ajo.
• What was mined here?
  Copper.
• What is it called?
  The New Cornelia Mine, also known as The Ajo Copper Mine.

Once the USA's third largest producer of copper, it was closed in 1984 by Phelps Dodge. The pit is about a mile across.

Area on the mine's western rim.

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

Puzzler images were derived from data maintained by the Geographic Information Services Division of PCDOT.