File:The coal miner's handbook; (IA coalminershandbo00inte).pdf
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Size of this JPG preview of this PDF file: 377 × 599 pixels. Other resolutions: 151 × 240 pixels | 302 × 480 pixels | 816 × 1,297 pixels.
Original file (816 × 1,297 pixels, file size: 14.95 MB, MIME type: application/pdf, 360 pages)