Matches in Library of Congress for { ?s ?p Mine drainage Congresses.. }
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- 2006471632 subject "Mine drainage Congresses.".
- 76620711 subject "Mine drainage Congresses.".
- 79089681 subject "Mine drainage Congresses.".
- 80453105 subject "Mine drainage Congresses.".
- 88601763%2F%2Fr95 subject "Mine drainage Congresses.".
- 93849626 subject "Mine drainage Congresses.".
- a65007261 subject "Mine drainage Congresses.".