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 City, N.Y. New York City is the most expensive city for living in United States. The overall population of this metropolitan area is around 18,295,869 people and the median household income of the residents is around USD $60,964 per annum.