Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Mine | County | Operator | Source of copper | 2012 Cu Production (lbs) |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Morenci | Greenlee | Freeport-McMoRan | Copper-molybdenum ore, concentrated and leached | 632.0 |
| 2.0 | Ray | Pinal | ASARCO | Copper ore, concentrated and leached | 213.0 |
| 3.0 | Bagdad | Yavapai | Freeport-McMoRan | Copper-molybdenum ore, concentrated and leached | 197.0 |
| 4.0 | Safford | Graham | Freeport-McMoRan | Copper ore, leached | 175.0 |
| 5.0 | Sierrita | Pima | Freeport-McMoRan | Copper-molybdenum ore, concentrated and leached | 157.0 |
| 6.0 | Mission Complex | Pima | ASARCO | Copper-molybdenum ore, concentrated | 134.0 |
| 7.0 | Miami | Gila | Freeport-McMoRan | Copper ore, leached | 66.0 |
| 8.0 | Silver Bell | Pima | ASARCO | Copper ore, leached | 45.9 |
| 9.0 | Mineral Park | Mohave | Mercator Minerals | Copper-molybdenum ore, concentrated | 40.9 |
| 10.0 | Carlota Mine | Gila | KGHM | Copper ore, leached | 23.3 |
Question:
What's the lowest ranking source of copper, copper ore, concentrated and leached?
Answer:
2.0