• Supervised the underground drilling (grade control and resources development).

• Created an effective and efficient drilling plans.

• Grade control and resources development core logging and created assay plan.

• Entered and managed production trucking & grade control data in database.

• Created the underground & Open Pit block model actual mined and reconciliation.

• Executed the underground mapping & pit mapping.

• Collected the grade control sample.

• Stockpile management.