In November 1854 the largest gold nugget in California, weighing 195 pounds troy, was found. It was worth 43,000 at that time. Location: On State Hwy 4 ( ), mi S of Angels Camp on Hwy 49 NO. 275 MURPHYS One of the principal mining communities in Calaveras County, Murphys was named for the discoverer of gold on the flat in 1849 ...