ARCH WESTERN RESOURCES LLC

For applications for qualification of indentures under the Trust Indenture Act of 1939 (amendment)

For applications for qualification of indentures under the Trust Indenture Act of 1939

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933

Letter from the SEC

Correspondence with the SEC

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

8.01

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual report pursuant to Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

5.02

Annual report pursuant to Section 13 or 15(d)

Regulation FD Disclosure

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Letter from the SEC

Letter from the SEC

4.02

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

2.03,9.01

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933