HOW TO BUILD A ROCK CRUSHER !!! Impact Mill For Gold Ore .Aug 26, 2013 . Watch as The Good Doctor ( ask Jeff Williams ) shows How we Built our Rock Crusher ( Impact Mill ) to pulverize Gold Ore down to 100 mesh to run over a shaker Table to remove the small pieces of Gold . Quick description of how it was built . We build units that are for sale Enjoy. Jeff For more please.construction plans small impact mill gold ore,MBMMLLC: 1 TPH Impact mill for small scale milling of hard .Jan 15, 2013 . Posted a second video of the impact mill finished and being tested see it here: .youtube/watch?v=q2JuzVRo6Vc*** Like us on Facebook to stay .