Long Term Investments

9 Months Ended

Jun. 30, 2011

Long Term Investments

6.  Long Term Investments

Long term investments consist of cash held in trust by the Energy Resources Conservation Board (“ERCB”) which bears interest at a rate of prime minus 0.375% and has no stated date of maturity. These investments are required by the ERCB to ensure there are sufficient future cash flows to meet the expected future asset retirement obligations and are restricted for this purpose.