HOWELL CORP/TX


1111 FANNIN SUITE 1500, STE 1800, HOUSTON TX 77002, 7136584000
PETROLEUM REFINING

1997 SEC Filings

HOWELL CORP/TX, SC 13G/A, 1997-10-07
HOWELL CORP/TX, SC 13G/A, 1997-02-12
HOWELL CORP/TX, SC 13G, 1997-02-12


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