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Miner in the process of placing charges into the coal seam at Bishop Mine.

1. Placing Charges, Bishop Mine

Miners use large drill to place charges in holes deep in the coal. 'William Vandivert, Not to be reproduced without written liscense.'

2. Drilling Prior to Placing the Charge

'Charge being placed in the hole; notice preparatory cut in the center.'

3. Miner Placing a Charge

Miner setting charges at Jamison No. 9.

4. Setting Explosives at Jamison No. 9