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.
Puerto Rico, Guam, and the Philippines (for which the United States compensated Spain $20 million, equivalent to $576 million in present-day terms), were ceded by Spain after the SpanishâAmerican War in the 1898 Treaty of Paris.