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.
Kiplingers rates Boston as the seventh most expensive city in the USA in terms of cost of living, and this has a spillover effect in Chelsea. Chelsea has a cost of living index of 124, which ranks unfavorably with the national average of 100, but is practically a steal compared with next-door Bostonâs rank of 138.