Popocatepetl, the second highest volcano in Mexico, is a giant stratovolcano, 70 km (~45 miles) southeast of downtown Mexico City, and 45 km (~30 miles) southwest of the city of Puebla.
Guam Currency (code) Guam > Economy. Currency (code): US dollar (USD) Definition: This entry identifies the national medium of exchange and, in parenthesis, gives the International Organization for Standardization (ISO) 4217 alphabetic currency code for each country.
Nevertheless, as of 2005 tourism is finally starting to stabilize and recover. Most food and industrial goods are imported. As Guam's tourist economy continues to slowly recover, over $1 billion in military spending on the island is projected in the coming several years.