Du Bois (DOO BOIZ), city (1990 pop. 8,286), Clearfield co., central Pa., 55 mi/89 km NNE of Johnstown, on Sandy Lick Creek, in the region of the Allegheny plateau; 41°07'N 78°45'W. Varied mfg. A commercial and industrial center of a farming area where coal also is still mined. Pa. State Univ. Du Bois Campus (2-year). Du Bois Reservoir to E, Treasure L. reservoir and residential development to NE; part of Moshannon State Forest to NE; S.B. Elliot State Park to E. Inc. 1881.