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Large chunks of coal piled below the seam.

337. Shot Down Coal at Jamison Coal Mine No. 9

Notice the preparatory cut and the 3 charge-holes near floor of the mine.

338. Coal Nearly Ready to be Shot Down

Print possibly overexposed.

339. Area worked by Coal Cutters

Looking down a mine shaft.

340. Interior of New England Coal Mine

Miner works on pile of shot down coal.

341. Shot Down Coal at Jamison Coal Mine No. 9

342. Miner Testing for Gas

343. Miner Roof Bolting

344. Miner Placing a Charge

345. Coal on Belt at Jamison Coal Mine No. 9

346. Miner Testing for Gas at Consol. No. 32 Mine

Miners using a machine to bolt the mine roof.

347. Roof Bolting in Pursglove No. 15 Coal Mine

348. Miner Testing for Gas in Jamison No. 9 Mine