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Equipment and Mining Interest (Tables)
9 Months Ended
Jan. 31, 2016
Extractive Industries [Abstract]  
Equipment
  January 31, 2016   April 30, 2015
Equipment $  27,007   $ 28,992
  Less accumulated depreciation    (21,606)     (19,540)
Equipment, net of accumulated depreciation    5,401     9,452
Mining interest – Longstreet property    321,999     288,499
  TOTAL EQUIPMENT AND MINING INTEREST $ 327,400     $ 297,951