The economic geology of the Upper Freeport coal in northeastern Greene county, Pennsylvania /

Coal resources of Fayette County, Pennsylvania /
by: Shaulis, James R.
Published: (1985)

The economic geology of the Upper Freeport coal in the New Stanton area of Westmoreland County, Pennsylvania : a model for coal exploration /
by: Sholes, Mark A.
Published: (1979)

Geology and mineral resources of Greene County, Pennsylvania /
by: Stone, Ralph W. (Ralph Walter), 1876-1964
Published: (1932)

Coal resources of Cambria and Blair Counties, Pennsylvania /
Published: (1990)

Geologic map of parts of the Masontown and Morgantown north quadrangles, Greene County, Pennsylvania /
by: Kent, Bion H. (Bion Huntley), 1925-
Published: (1973)

Water resources and the effects of coal mining, Greene County, Pennsylvania /
Published: (1987)

Geology of the Ellsworth quadrangle, Pennsylvania /
by: Berryhill, Henry L., Jr. (Henry Lee), 1921-2013
Published: (1964)

Geology of the Amity quadrangle, Pennsylvania /
by: Berryhill, Henry L., Jr. (Henry Lee), 1921-2013
Published: (1964)

Geologic map of the Garards Fort quadrangle and part of the Osage quadrangle, Greene County, Pennsylvania /
by: Kent, Bion H. (Bion Huntley), 1925-
Published: (1971)

Geologic map of the Waynesburg quadrangle, Southwestern Pennsylvania /
by: Roen, John B.
Published: (1970)

Geologic map of the Mather quadrangle, Southwestern Pennsylvania /
by: Kent, Bion H. (Bion Huntley), 1925-
Published: (1969)

Geologic map of the Prosperity quadrangle, Southwestern Pennsylvania /
by: Kent, Bion H. (Bion Huntley), 1925-
Published: (1972)

Geologic map of part of the Carmichaels quadrangle, southwestern Pennsylvania /
by: Kent, Bion H. (Bion Huntley), 1925-
Published: (1969)

Geologic map of the Oak Forest quadrangle and part of the Blacksville quadrangle, southwestern Pennsylvania /
by: Roen, John B.
Published: (1972)

Coal resources of Indiana County, Pennsylvania /
by: Bragonier, William A.
Published: (1996)

Petrography of coal in the Houtzdale quadrangle : Clearfield County, Pennsylvania /
by: Koppe, Edwin F.
Published: (1967)

Coal resources of Washington County, Pennsylvania /
by: Skema, Viktoras W.
Published: (1987)

Bituminous coal fields of Pennsylvania.
Published: (1925)

Geologic and coal-bed map of Clarion County, Pennsylvania /
by: Patterson, E. D. (Elmer Davisson)
Published: (1972)

Map showing slope movements in the Oak Forest quadrangle, Greene County, southwestern Pennsylvania /
Published: (1986)

Geology and methane content of the upper Freeport coalbed in Fayette County, Pa. /
by: Steidl, Peter F.
Published: (1977)

Bituminous coal losses and mining methods in Pennsylvania : including thickness, character, and reserves of coal /
by: Sisler, James D. (James Donaldson), 1894-
Published: (1924)

Coal resources of Lawrence County, Pennsylvania /
by: Van Lieu, J. A., et al.
Published: (1964)

Geologic maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, western area /
by: Wood, Gordon H. (Gordon Harry), 1919-
Published: (1968)

Coal for the 70's : a Pennsylvania action conference, April 24, 1974, Harrisburg, Pennsylvania : conference proceedings, task force reports, background data.
Published: (1974)

Geologic map of anthracite-bearing rocks in the north part of the Orwigsburg quadrangle, Schuylkill County, Pennsylvania /
by: Wood, Gordon H. (Gordon Harry), 1919-
Published: (1972)

Geology and ground-water resources of Greene County, Alabama /
by: Wahl, Kenneth D.
Published: (1966)

Onesquethawan stratigraphy (Lower and Middle Devonian) of northeastern Pennsylvania /
by: Epstein, Jack Burton, 1935-
Published: (1984)

Geologic map of the Baileyton quadrangle, Tennessee /
by: Byerly, Don W.
Published: (1969)

Geology and mineral resources of northeastern Franklin County, Pennsylvania /
by: Root, Samuel I.
Published: (1971)

Bedrock geologic map of the anthracite-bearing strata in the northwestern part of the Wilkes-Barre east quadrangle, Pennsylvania /
by: Bergin, M. J. (Marion Joseph), 1927-
Published: (1973)

Geology of the Hanover-York district, Pennsylvania /
by: Jonas, Anna I. (Anna Isabel), 1881-1974, et al.
Published: (1944)

Geologic maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, eastern area /
by: Wood, Gordon H. (Gordon Harry), 1919-
Published: (1968)

Reports upon the West Hazleton and Cattawissa Falls, and the East Mahanoy coal and iron estates : situate in Luzerne and Schuylkill counties, Pa., containing eleven thousand acres, extending eight miles from north to south, and crossing the Mahanoy, the Beaver Meadow and summit, the Hazleton and the Black Creek coal fields /
by: Roberts, William F.
Published: (1846)

Geologic map of anthracite-bearing rocks in the Pottsville quadrangle, Schuylkill County, Pennsylvania /
by: Wood, Gordon H. (Gordon Harry), 1919-
Published: (1972)

Geology of the Hanover-York district, Pennsylvania /
by: Jonas, Anna I. (Anna Isabel), 1881-1974, et al.
Published: (1944)