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- 29026075 contributor B741535.
- 29026075 created "1928.".
- 29026075 date "1928".
- 29026075 date "1928.".
- 29026075 dateCopyrighted "1928.".
- 29026075 extent "ii, 40 p. incl. tables, diagrs.".
- 29026075 isPartOf "[U. S.] Bureau of mines. Technical paper 410".
- 29026075 issued "1928".
- 29026075 issued "1928.".
- 29026075 language "eng".
- 29026075 publisher "Washington, U.S. Govt. print. off.,".
- 29026075 subject "Bituminous coal.".
- 29026075 subject "Coal mine accidents.".
- 29026075 subject "TN1 .U6 no. 410".
- 29026075 title "Falls of roof in bituminous coal mines: influence of the seasons and rate of production ...".
- 29026075 type "text".