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.
Top 10 Most Expensive U.S Cities To Live. Q : Which is the Most Expensive City to Live in United States of America? Ans : Manhattan, New York has become once again the most expensive city to live in U.S. In 2012, it has the cost of living index of 225.4 making it the most expensive us. City which is more than the double of national average.