ASARCO INC

Q: Sep 30 1999

Q: Jun 30 1999

FY: Dec 31 1998

Q: Mar 31 1999

FY: Dec 31 1998

Q: Sep 30 1998

Q: Jun 30 1998

FY: Dec 31 1997

Q: Mar 31 1998

FY: Dec 31 1997

Q: Sep 30 1997

Q: Jun 30 1997

FY: Dec 31 1996

Q: Mar 31 1997

FY: Dec 31 1996

Q: Sep 30 1996

Q: Aug 14 1996

FY: Jun 27 1996

Q: May 14 1996

FY: Dec 31 1995

5,7

1,5,7

5,7

5,7

5,7

5,7

5,7

1

5,7

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d) (amendment)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d) (amendment)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(b))

No description available

Registration of Securities on Exchange (amendment)

Registration of Securities on Exchange (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional proxy soliciting materials filed by a non-management party

Additional proxy soliciting materials filed by a non-management party

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

No description available

Additional Information for Proxy Statement/ Votes

No description available

No description available

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

ASARCO INC

MERRILL LYNCH & CO INC

ASARCO INC

ASARCO INC

GRUPO MEXICO SA DE CV /FI

GRUPO MEXICO SA DE CV /FI

GRUPO MEXICO SA DE CV /FI

ASARCO INC

GRUPO MEXICO SA DE CV /FI