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ARCH WESTERN RESOURCES LLC

company.status.inactive

CIK 1255895fmd_0M4QW3MT3S81RB0E6WH4PZ4847Mining · Bituminous Coal & Lignite Surface MiningTemplate: Standard

Coverage: Jan 01, 2009 to Mar 31, 2012, 9 periods

Proof

Every number on this company page links to a proof: the filing it came from, the XBRL tag, the knowledge interval, and the raw facts it was built from. Hover any cell in Financials for the summary; click to open the full record.

How to read a proof

  1. Accession and form identify the filing; the SEC link opens the primary document.
  2. Tag, dimensions and decimals identify the fact within that filing.
  3. The knowledge interval says when this value became known and, if restated, when it stopped being current.
  4. Derived values list every as-reported fact in the chain.
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