Stephen was Independent Geologic Consultant at SP Hartzell, and Senior Geologist at American Hunter.
Stephen Hartzell is currently Interim Chairman of the Board at Houston American Energy - View - Houston American Energy org chart
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Stephen Hartzell has a Bachelor of Science in Geology from Western Illinois University in 1976 and a Master of Science in Geology from Northern Illinois University in 1978.
They have also studied at Western Illinois University :
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They have also studied at Northern Illinois University :
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