Dr. Gregg Wilkerson

levan Center and Bakersfield college: greggwilkerson@bakersfieldcollege.edu
California State University, Bakersfield: gwilkerson1@csub.edu
Wilkerson Geological Services: yosoygeologo@gmail.com
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GBW MINERALS
7005 Hooper Ave
Bakersfield, CA 93308
yosoygeologo@gmail.com
661-399-6264