TY - BOOK AU - Pierce, Brenda S. AU - Stanton, Ronald W. CN - I 19.76: CY - [Reston, Va.] : DA - [1991] ID - 241234 KW - Coal N1 - Distributed to some depository libraries in microfiche. N1 - Cover title. N1 - Imprint from transmittal sheet. PB - U.S. Geological Survey, PP - [Reston, Va.] : PY - [1991] T1 - Coal quality and compositional characteristics of the Upper Freeport coal bed, Pennsylvania, source of the Argonne #1 Premium Sample / TI - Coal quality and compositional characteristics of the Upper Freeport coal bed, Pennsylvania, source of the Argonne #1 Premium Sample / VL - 90-697 ER -