Platt, F., Fulton, J., & Pearse, J. B. (1876). Special report on the coke manufacture of the Youghiogheny river valley in Fayette and Westmoreland Counties: With geological notes of the coal and iron ore beds : from surveys by Charles A. Young. Board of Commissioners for the Second Geological Survey.
Chicago-Zitierstil (17. Ausg.)Platt, Franklin, John Fulton, und John B. Pearse. Special Report on the Coke Manufacture of the Youghiogheny River Valley in Fayette and Westmoreland Counties: With Geological Notes of the Coal and Iron Ore Beds : From Surveys by Charles A. Young. Harrisburg: Board of Commissioners for the Second Geological Survey, 1876.
MLA-Zitierstil (9. Ausg.)Platt, Franklin, et al. Special Report on the Coke Manufacture of the Youghiogheny River Valley in Fayette and Westmoreland Counties: With Geological Notes of the Coal and Iron Ore Beds : From Surveys by Charles A. Young. Board of Commissioners for the Second Geological Survey, 1876.