THE GEOLOGIC SETTING OF A PITTSBURGH COAL MINE IN SOUTHWESTERN PENNSYLVANIA, AS RELATED TO ROOF ROCK CONDITIONS (ABSTRACT).KENT BH.1969; GEOL. SOC. AMER., ABSTR. PROGRAMS; USA; 1969(11), NUM. 007Miscellaneous

GEOLOGIC MAP OF THE GARARDS FORT QUADRANGLE AND PART OF THE OSAGE QUADRANGLE, GREENE COUNTY, PENNSYLVANIA. 1/24000.KENT BH.1971; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1971, NUM. 0663Miscellaneous

GEOLOGIC MAP OF THE MATHER QUADRANGLE SOUTHWESTERN PENNSYLVANIA.KENT BH.1969; U.S. GEOL. SURV., GEOL. QUADRANGLE MAPS; USA; 1969, NUM. 0826Miscellaneous

METHODS OF STORING AND RETRIEVING CORE-LOG DATA ON COAL-BEARING ROCKS IN SOUTHWESTERN PENNSYLVANIA.KENT BH.1969; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1969, P. 166 A 173Miscellaneous

GEOLOGIC MAP OF PART OF THE CARMICHAELS QUADRANGLE SOUTHWESTERN PENNSYLVANIA.KENT BH.1969; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1969, NUM. 0588Miscellaneous

GEOLOGIE MAP OF THE PROSPERITY QUADRANGLE SOUTHWESTERN PENNSYLVANIA. 1: 24.KENT BH.1972; U.S. GEOL. SURV., GEOL. QUADRANGLE MAPS; U.S.A. ; 1972, NUM. 0001, P. 1 A 100Map

GEOLOGIC CAUSES AND POSSIBLE PREVENTIONS OF ROOF FALL IN ROOM- AND- PILLAR COAL MINES.KENT BH.1974; PENNSYLVANIA TOPOGR. GEOL. SURV., INFORM. CIRC.; USA; 1974, NUM. 0075, P. 1 A 17Serial Issue

GEOLOGIC MAP OF PARTS OF THE MASONTOWN AND MORGANTOWN NORTH QUADRANGLES. GREENE COUNTY, PENNSYLVANIA. SCALE 1:24000.KENT BH.1973; U. S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1973, NUM. 0001-0743, P. 1Map

METHODS OF STORING AND RETRIEVING CORE-LOG DATA ON COAL-BEARING ROCKS IN SOUTHWESTERN PENNSYLVANIA.KENT BH.1969; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1969, P. 166 A 173Miscellaneous

GEOLOGIC MAP AND COAL SECTIONS OF THE RESERVOIR CREEK QUADRANGLE, CAMPBELL COUNTY, WYOMINGKENT BH; BERLAGE LJ.1981; ; USA; DA. 1981; 2 SHEETS; ILL.;[U. S. GEOL. SURV., MISC. FIELD STUD. MAP; NO MF-1336]Serial Issue

COAL- BEARING UPPER PENNSYLVANIAN AND LOWER PERMIAN ROCKS WASHINGTON AREA, PENNSYLVANIA.BERRYHILL HL JR; SCHWEINFURTH SP; KENT BH et al.1971; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1971, NUM. 0621, P. 1 A 47Miscellaneous

GEOLOGY AND LAND USE IN EASTERN WASHINGTON COUNTY, PENNSYLVANIA.KENT BH; SCHWEINFURTH SP; ROEN JB et al.1969; PENNSYLVANIA TOPOGR. GEOL. SURV., BULL., G; USA; 1969, NUM. 0056, P. 1 A 30Miscellaneous

GEOLOGY AND LAND USE IN EASTERN WASHINGTON COUNTY, PENNSYLVANIA, CALIFORNIA AND MONONGAHELA 71/2-MINUTE QUADRANGLES.SCHWEINFURTH SP; ROEN SB; KENT BH et al.1971; PENNSYLVANIA TOPOGR. GEOL. SURV., BULL., G; USA; 1971, NUM. 0056Miscellaneous