Desert Gold Granite River Washed Boulders Southern California quarry shipping material in bulk loads of 18 to 24 tons throughout California. Smaller orders sent as palleted material anywhere requested. These boulders come from ancient alluvial rivers and are gold to tan color. Some boulders have more rich gold, brown and copper colors to them than others. These boulders have very smooth surfaces and are the ideal material for creating wet or dry creek beds. Great for use in swimming pool construction and building waterfalls. Matching cobbles and decomposed granite also available.