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.
As part of the report, the top 10 most expensive cities in the world to build in are outlined, and a U.S. city is at the top of the list. New York led the way among all cities for construction costs, according to the report.