![California Gold Rush / Geography of the United States / Hydraulic mining / Placer mining / Jacksonville / Oregon / Jacksonville / Florida / Confederate Gulch and Diamond City / Oro City / Colorado / Surface mining / Hydraulic engineering / Mining California Gold Rush / Geography of the United States / Hydraulic mining / Placer mining / Jacksonville / Oregon / Jacksonville / Florida / Confederate Gulch and Diamond City / Oro City / Colorado / Surface mining / Hydraulic engineering / Mining](https://www.pdfsearch.io/img/a175afb93c60ed698b53a270186d7e1e.jpg) Date: 2012-11-28 17:55:18California Gold Rush Geography of the United States Hydraulic mining Placer mining Jacksonville Oregon Jacksonville Florida Confederate Gulch and Diamond City Oro City Colorado Surface mining Hydraulic engineering Mining | | RICH GULCH A Mining History of Jacksonville, Oregon A Publication of the Jacksonville Woodlands Association How Rich Gulch Became a Public Park
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