sentences:  Close to $20 million in gold and silver were extracted, with silver accounting for about two-thirds of the total.Many regarded Silver City as merely a railhead for Mogollon's eight-team freight wagons packed with gold and silver ore.
  
  With the decline in precious metal values after World War I, it was no longer profitable to continue operating the mines.The town grew again after a brief recovery in prices in 1937, but WWII again caused a slash in the demand for precious metals.