Mineral resource classification is the classification of mineral deposits based on their geologic certainty and economic value.
Here's a list of the top 10 most expensive cities in the country, ranked by average monthly rent for a single person: 1. San Francisco, $2,077. 2. New York City, $1,994. 3. Boston, $1,721. 4. Washington, D.C., $1,397. 5. Seattle, $1,288.
New York. New York City is the 33rd most expensive city in the global rankings, but it tops the list for U.S. cities. Itâs followed by Los Angeles (No. 68 globally), San Francisco (90), White Plains, N.Y. (98), Washington, D.C. (107) and Chicago and Miami tied at 110.