List some of the hardships faced by those who came to California to work in the goldfields. Why do you think these miners were willing to live under such difficult conditions? Gold was discovered at Sutter’s Mill in 1848. What effect did the Gold Rush have on John Sutter? Which animal was often found in the goldfields? Explain why this animal was such a perfect companion for a gold miner. Which animal was often found in the goldfields? Explain why this animal was such a perfect companion for a gold miner. Sorry its a lot u don't have to answer it all but it would help a lot sorry.