Open pit borate mine, SE California. April 30, 2017/0 Comments/in Environmental/Engineering Geology /by Davol mining, resources https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png 0 0 Davol https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png Davol2017-04-30 20:23:072017-09-25 19:58:52Open pit borate mine, SE California.
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