El Centro Mine, Westmorland, Imperial Co., California, USA
A former clay (bentonite) pit operation located 18.0 km (11.2 miles) SW of Westmorland and about 14 miles NW of El Centro.
ReferencesRegis, Andrew J. (1978) Mineralogy, Physical, and Exchangeable Chemistry Properties of Bentonites, Denver Service Center (USGS), (February).
1 entry listed.
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Locality Updated: Blackjack Mine, Beetown, Upper Mississippi Valley District, Grant Co., Wisconsin, USAFrom Debbie Woolf, 20th Jun 2013 10:11:23