9. Commitments and Contingencies Commitments Purchase Commitments We had outstanding purchase commitments consisting of (in thousands): March 31, December 31, 2013 2012 Capital commitments Equipment $ 21,294 $ 20,317 Land 23,700 23,700 Supplies and services Coal purchase commitments $ 31,685 $ 28,633 Transportation agreements 241,285 159,398 Materials and supplies 21,698 24,552 Contingencies Litigation Decker Litigation On July 9, 2012, our wholly-owned indirect subsidiary, Western Minerals LLC ( Western Minerals ), filed a lawsuit in the U.S. District Court for the District of Montana (Billings Division), against KCP Inc. ( KCP ), its 50% joint-venture partner in the Decker mine in Montana. Western Minerals also named as defendants KCP s parent companies, Ambre Energy North America, Inc. ( Ambre N.A. ) and Ambre Energy Limited ( Ambre Limited  and together with Ambre N.A.  Ambre ). In its complaint, Western Minerals alleges that KCP and Ambre are engaging in self-dealing and other wrongful conduct in breach of the Decker joint venture agreement and other legal duties owed to the joint venture and its 50/50 owners. Western Minerals asserts claims for breach of contract, breach of implied covenant of good faith and fair dealing, breach of fiduciary duty, aiding and abetting breach of fiduciary duty, civil conspiracy, and a request for an accounting of, among other things, unauthorized Decker expenditures and Ambre s proposed self-dealing transactions concerning sales of Decker coal to Ambre and its affiliates. Western Minerals seeks both unspecified monetary damages and injunctive relief. On August 23, 2012, KCP and Ambre N.A., filed an amended answer to Western Minerals  complaint, replacing the original answer they filed on July 30, 2012. In their amended answer, KCP and Ambre N.A. deny the principal allegations of Western Minerals. Additionally, KCP asserted six counterclaims against Western Minerals: breach of contract, breach of the covenant of good faith and fair dealing, breach of fiduciary duty, dissolutio