The Golden Twenties "Kid Blackie", better known as Jack Dempsey, "The Manassa Mauler". The arts saw the rise of writers like Michael Arlen, Joseph Conrad, H. G. Wells and John Galsworthy. While the music scene included the popularity of Lawrence Tibbett, Ernestine Schumann-Heink, Grace Moore, Marion Talley, George Gershwin, and Irving Berlin. Prohibition sees the rise of gangsters like Al Capone. The Hall–Mills murder case captivated the nation's attention, as did the tragic death of Floyd Collins, who became trapped while exploring a cave system, and died after 18 days. Charles Lindbergh does a solo crossing of the Atlantic. And the automotive industry
Manassa, Colorado work the claim. King's Manassa turquoise is best known for its brilliant greens and golden matrices, but blue and blue-green turquoise was found amid these deposits as well. The Manassa area has long been known for its beautiful silver and turquoise jewelry and also for the production of fine pewter items. While some turquoise has been mined in the low hills east of Manassa, most of the jewelry industry in Manassa, and nearby, has utilized and polished the raw turquoise found in the copper and silver mines of Arizona and Nevada. Additionally, coral from the seas and other semiprecious cabochons