Little Buffalo, Alberta
"[4] On October 22, 1988, Lubicon Chief Bernard Ominayak and Alberta Provincial Premier Don Getty negotiated an agreement, since called the "Grimshaw Accord".[5] through which the Province of Alberta transferred 79 square miles of land (with full surface and sub-surface rights) to the Government of Canada to establish a reserve for the Lubicon First Nation On 10 June 2013, on behalf of the Lubicon Cree, aboriginal rights lawyer, James O'Reilly sent letters to Shell Canada, PineCrest, Atco, Andora Energy Corp., Clean Harbours, Mancal Energy Inc. and Penn West Petroleum which operate in the disputed land claims area, warning that their resource projects will be "vigorously opposed" unless they have the consent of the First Nation.[9] In 2013, Alberta's Energy Resource Conservation Board (ERCB) issued a reprimand to Plains Mainstream for operational failures in connection with the oil spill.Alberta Environment and Water was onsite by June 24 and is investigating the leak, which occurred during the period of heavy rain.[12] The concurrent closure of Pennwest's office in downtown Calgary due to the 2013 Alberta floods has had a "negative effect on the management of the spill, particularly when it comes to communications.