This state's first major gold strike occurred about 65 miles SW of Butte on Grasshopper Creek on July 28, 1862
While prospecting for gold in Montana, also watch for diamonds, sapphires ... A 
diamond was reported from Grasshopper Creek southwest of Dillon .... Gold Butte 
lies 25 miles northeast of Froze-to-Death Butte; Johnson Ranch ... that resulted in 
the first of several gold rushes to the state.