'The 30,000-square mile purchase ensured U.S. control of the Mesilla Valley, bordering this strategic river'
the Rio Grande
THE GADSDEN PURCHASE: The 30,000-square mile purchase ensured U.S. control of the Mesilla Valley, bordering this strategic river
The 30,000-square mile purchase ensured U.S. control of the Mesilla Valley, bordering this strategic river
The 30,000-square mile purchase ensured U.S. control of the Mesilla Valley, bordering this strategic river
THE GADSDEN PURCHASE
the Rio Grande
THE GADSDEN PURCHASE