BASIC EARTH SCIENCE SYSTEMS INC

633 17TH STREET, SUITE 1670, DENVER CO 80202, 303-294-9525
CRUDE PETROLEUM & NATURAL GAS

1996 SEC Filings

BASIC EARTH SCIENCE SYSTEMS INC, 10QSB, 1996-11-12
BASIC EARTH SCIENCE SYSTEMS INC, 10QSB, 1996-08-07
BASIC EARTH SCIENCE SYSTEMS INC, 10KSB/A, 1996-07-31
BASIC EARTH SCIENCE SYSTEMS INC, 10KSB, 1996-06-28
BASIC EARTH SCIENCE SYSTEMS INC, 10QSB, 1996-02-15


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