Online access to the collection in ScholarSphere
| No. | Date Published | Title/Author |
|---|---|---|
| 1 | Sept. 24, 1919 | Effect of the War on the Price of Coal in Pennsylvania by George H. Ashley |
| 2 | October, 1919 | Oil and Gas in Southeast Pennsylvania by George H. Ashley |
| 3 | Nov. 28, 1919 | Development and Probable Life of Gas Pool at McKeesport, Pennsylvania by George H. Ashley |
| 4 | Dec. 26, 1919 | Decline of McKeesport Gas Pool by George H. Ashley |
| 5 | Jan. 12, 1920 | The McKeesport Gas Pool by G.H. Ashley |
| 6 | Jan. 16, 1920 | River and Creek Coal in Eastern Pennsylvania by C.W. Webbert |
| 7 | May 28, 1920 | A High-Grade Building Stone in Greene County by George H. Ashley |
| 8 | May 30, 1920 | The Origin of Pennsylvania Coal by George H. Ashley |
| 9 | June, 1920 | Future Use of Raw Coal by George H. Ashley |
| 10 | June 4, 1920 | The Possibility of Oil and Gas from Deeper Drilling in Western Pennsylvania by George H. Ashley |
| 11 | June 26, 1920 | Gas Wells of Nine Mile Run, Pittsburgh, Penna. By J. French Robinson |
| 12 | July 1, 1920 | Gas Wells on Pollock Run, Westmoreland County, Pennsylvania by J. French Robinson |
| 13 | October, 1920 | Natural Gas Situation in Pennsylvania by George H. Ashley |
| 14 | Nov. 24, 1920 | Future Sources of Power by George H. Ashley |
| 15 | Dec. 1, 1920 | Mineral Resources of Pennsylvania by George H. Ashley |
| 16 | Dec. 1, 1920 | Geology of Oil and Gas in Relation to Coal by George H. Ashley |
| 17 | Dec. 18, 1920 | Future of Natural Gas in Pennsylvania by George H. Ashley |
| 18 | Jan. 1, 1921 | Oil from Pennsylvania Shales and Coals by Chas. R. Fettke |
| 19 | Jan. 24, 1921 | Production of the McKeesport Gas Pool by J.F. Robinson |
| 20 | April, 1921 | Pennsylvania Iron Ores by J. Ross Corbin |
| 21 | Sept. 20, 1921 | Feldspar in Pennsylvania by by George H. Ashley |
| 22 | 1921 | The Coal Deposits of Southern Somerset County by J.D. Sisler. [replaced by Bulletin 64] |
| 23 | Jan. 16, 1922 | Coal Beds in Cambria County, Pennsylvania by J.D. Sisler |
| 24 | Jan. 28, 1922 | Coal Beds in Greene County, Pennsylvania by J.D. Sisler |
| 25 | Jan. 31, 1922 | Coal Reserves in Greene County, Pennsylvania by John F. Reese |
| 26 | Mar. 10, 1922 | Coal Beds in Washington County, Pennsylvania by J.D. Sisler |
| 27 | Mar. 10, 1922 | Coal Reserves in Washington County, Pennsylvania by John F. Reese |
| 28 | Feb. 10, 1922 | Magnesite in Pennsylvania by R.W. Stone |
| 29 | Feb. 25, 1922 | Geologic Structure of the Greensburg Quadrangle, Penna. By M.E. Johnson |
| 30 | Apr. 18, 1922 | Coal Beds in Allegheny County, Pennsylvania by J.D. Sisler |
| 31 | Apr. 18, 1922 | Coal Reserves in Allegheny County, Pennsylvania by John F. Reese |
| 32 | Mar. 15, 1922 | Coal Beds in Fayette County, Pennsylvania by J.D. Sisler |
| 33 | Mar. 15, 1922 | Coal Reserves in Fayette County, Pennsylvania by John F. Reese |
| 34 | Mar. 25, 1922 | Coal Beds in Westmoreland County by J.D. Sisler |
| 35 | Mar. 25, 1922 | Coal Reserves in Westmoreland County, Pennsylvania by John F. Reese |
| 36 | Apr. 27, 1922 | Coal Beds in Indiana County, Pennsylvania by J.D. Sisler |
| 37 | Apr. 29, 1922 | Coal Reserves in Indiana County, Pennsylvania by John F. Reese |
| 38 | May 10, 1922 | Coal Beds in Armstrong County, Pennsylvania by J.D. Sisler |
| 39 | May 20, 1922 | Coal Reserves in Armstrong County, Pennsylvania by John F. Reese |
| 40 | June 3, 1922 | White Clay Deposits at Saylorsburg, Monroe County, Pennsylvania by Frederick B. Peck |
| 41 | June 24, 1922 | Coal Beds in Elk County, Pennsylvania by J.D. Sisler |
| 42 | May 25, 1922 | Coal Beds in Jefferson County, Pennsylvania by J.D. Sisler |
| 43 | June 15, 1922 | Coal Reserves in Somerset County, Pennsylvania by John F. Reese |
| 44 | June 20, 1922 | Coal Reserves in Cambria County, Pennsylvania by John F. Reese |
| 45 | July 5, 1922 | White Clay Deposits in Central Pennsylvania by E.S. Moore |
| 46 | June 21, 1922 | Coal Beds in Butler County, Pennsylvania by J.D. Sisler |
| 47 | July 15, 1922 | Manganese Occurrences in Eastern Pennsylvania by Benjamin L. Miller |
| 48 | July 26, 1922 | Pyrite from Bituminous Coal Mines in Pennsylvania by Henry Leighton |
| 49 | Sept. 10, 1922 | Coal Beds in Clarion County, Pennsylvania by J.D. Sisler |
| 50 | Sept. 12, 1922 | Coal Beds in Center, Cameron, Clinton and Lycoming Counties, Pennsylvania by J.D. Sisler |
| 51 | July 28, 1922 | New Oil Pool at Tidioute and Gas Pools near Corry and Meadville, Penna. by M.E. Johnson |
| 52 | Sept. 15, 1922 | Coal Beds in Mercer, Crawford, Venango, Forest, Warren, McKean, Potter, Tioga and Bradford Counties, Pennsylvania by J.D. Sisler |
| 53 | Aug. 22, 1922 | Coal Reserves in Clearfield County, Penna. - J.F. Reese |
| 54 | Aug. 1, 1922 | Bituminous Coal Reserves in Pennsylvania by John F. Reese |
| 55 | Sept. 25, 1922 | Coal Beds in Lawrence County, Pennsylvania by J.D. Sisler |
| 56 | Sept. 1, 1922 | Oil Fields Rejuvenated by Robert B. Bossler |
| 57 | Oct. 30, 1921 | Coal Beds in Beaver County, Pennsylvania by J.D. Sisler (year typo?) |
| 58 | Oct. 31, 1922 | Potash Fiasco in Tioga County, Pennsylvania by R.W. Stone and Simple Tests for Potash by W.B. Hicks |
| 59 | Dec. 12, 1922 | Bog-Iron Ore by J. Ross Corbin |
| 60 | Jan. 15, 1923 | Geologic Structure of the Pittsburgh Quadrangle, PA. by M.E. Johnson |
| 61 | Jan. 22, 1923 | Magnetite in Pennsylvania by J. Ross Corbin |
| 62 | Feb. 3, 1923 | Rocks of the McCalls Ferry Quadrangle, Penna. by Anna I. Jonas |
| 63 | Feb. 15, 1923 | Brown Iron Ores in Pennsylvania by J. Ross Corbin |
| 64 | Feb. 20, 1923 | Coal Beds in Southern Somerset County, Penna. By J.D. Sisler (Replaces Bulletin no.22) |
| 65 | Mar. 5, 1923 | Lead and Zinc Ores in Blair County, Penna. by Benjamin LeRoy Miller |
| 66 | Mar. 6, 1923 | Oil & Gas Development in Pennsylvania in 1922 by M.E. Johnson |
| 67 | Mar. 19, 1923 | Lead and Zinc Ores near Phoenixville, Chester County, Pennsylvania by Benjamin LeRoy Miller |
| 68 | Mar. 17, 1923 | Lead and Zinc Ores in Lancaster County, Pennsylvania by Bejamin LeRoy Miller |
| 69 | Mar. 15, 1923 | Lead and Zinc Ores in Bucks County, Pennsylvania by by Bejamin LeRoy Miller |
| 70 | Mar. 20, 1923 | Zinc Ores at Friendensville, Lehigh County, Penna. by Bejamin LeRoy Miller |
| 71 | April 2, 1923 | Copper Ores in Pennsylvania by J. Ross Corbin |
| 72 | April 5, 1923 | Flagstone Industry in Northeastern Pennsylvania by R.W. Stone |
| 73 | April 20, 1923 | Oil and Gas in Southeast Pennsylvania by George H. Ashley |
| 74 | April 20, 1923 | Chromite in Pennsylvania by J. Ross Corbin |
| 75 | April 25, 1923 | Rocks of the Quarryville Quadrangle, Penna. by Anna I. Jonas |
| 76 | May 3, 1923 | Calcareous Marl in Pennsylvania South of the Terminal Moraine by J.B.R. Dickey |
| 77 | May 5, 1923 | Gold in Pennsylvania by J. Ross Corbin |
| 78 | June 12, 1923 | Gas in Leidy Township, Clinton County, Penna. By Meredith E. Johnson |
| 79 | July 17, 1923 | Tidioute Oil Pool, Warren County, PA. by Meredith E. Johnson |
| 80 | Sept. 15, 1923 | Coal Beds in Northern Somerset County, Pennsylvania by James D. Sisler |
| 81 | Nov. 1, 1923 | Volatile Matter in Pennsylvania Coals by James D. Sisler |
| 82 | Nov. 10, 1923 | Roofing Granules Industry in Southeastern Pennsylvania by R.W. Stone |
| 83 | Jan. 10, 1924 | The Living Earth by Geo. H. Ashley |
| 84 | Mar. 10, 1924 | Coal Reserves in Clarion County, Pennsylvania by James D. Sisler |
| 85 | Mar. 20, 1924 | Coal Reserves in Jefferson County, Pennsylvania by James D. Sisler |
| 86 | June 10, 1924 | The Age and Origin of the Earth by George H. Ashley |
| 87 | ||
| 88 | Nov. 23, 1925 | Silurian Stratigraphy at Lehigh Gap, Pennsylvania by George H. Ashley |
| 89 | March, 1926 | A Practical Classification of Coals by George H. Ashley |
| 90 | Aug. 25, 1926 | Pennsylvania, the Makings of a World Power by George H. Ashley |
| 91 | Mar. 30, 1927 | A Stratigraphic Time Scale by George H. Ashley |
| 92 | Jan. 23, 1928 | Anthracite Culm and Silt |
| 93 | Apr. 2, 1928 | The Canadian System by George H. Ashley |
| 94 | May 5, 1928 | High Spots in Pennsylvania by George H. Ashley |
| 95 | July 5, 1928 | Mineral Resources of the Lower Allegheny - Beaver River District by George H. Ashley |
| 96 | Oct. 2, 1928 | Sand and Gravel in the Scranton Region, Pennsylvania by Prof. Freeman Ward |
| 97 | Nov. 26, 1928 | Mineral Resources of Pennsylvania by George H. Ashley |
| 98 | ||
| 99 | Nov. 20, 1929 | Sand and Gravel in the Reading Region, Pennsylvania by Professor Freeman Ward |
| 100 | Mar. 7, 1930 | Sand and Gravel in the Altoon Region, Pennsylvania by Professor Freeman Ward |
| 101 | Sept. 8, 1930 | The Topographic and Geologic Survey: A Brief Summary of its Work since 1919 by George H. Ashley |
| 102 | Jan. 6, 1931 | Gas in the Tioga Region, Pennsylvania by Stanley Holman Cathcart and Bradford Willard a. Status of Drilling, with Notes on Geology by Stanley Holman Cathcart b. Probability of the Occurrence of the Oriskany Sandstone in the Tioga Region by Bradford Willard |
| 102A | January, 1932 | Gas in the Tioga Region, Penna. By Ashley and Cathcart |
| 102B | Dec. 1, 1931 | Physical Characteristics of the Oriskany Sandstone and Subsurface Studies in the Tioga Gas Field, Pennsylvania by Charles R. Fettke. Stratigraphy of the Tioga Region by Bradford Willard. |
| 103 | February, 1931 | River Coals of Eastern Pennsylvania by John M. Hills |
| 104 | Mar. 11, 1932 | Iron Ores, Present and Future by W.O. Hickok, 4th |
| 105 | July 1, 1932 | Gas in the Oriskany Sand of Potter County, Pennsylvania by S.H. Cathcart |
| 106 | Feb. 1, 1934 | Gas and Oil in Potter Co., Pennsylvania by S.H. Cathcart |
| 107 | Feb. 1, 1934 | Gas in Tioga County, Pennsylvania by S.H. Cathcart and T.H. Myers |
| 108 | March, 1934 | Geologic Structure in the Plateaus Region of Northern Pennsylvania and its Relation to the Occurrence of Gas in the Oriskany Sand by S.H. Cathcart |
| 109 | Mar. 15, 1934 | The Possibility of Finding Gas in Cameron County, Pennsylvania by S.H. Cathcart |
| 110 | April, 1934 | The Possible Occurrence of Gas in the Oriskany Sand of Elk County by S.H. Cathcart |
| 111 | May, 1934 | Possibility of Finding Gas in the Oriskany Sand in McKean County by S.H. Cathcart |
| 112 | July, 1934 | The White Clays of Pennsylvania by Henry Leighton |
| 113 | May, 1935 | Pennsylvania Geology Summarized by Bradford Willard |
| 114 | March, 1935 | Subsurface Stratigraphy of Northwestern Pennsylvania and a Resume of Gas and Oil Possibilities of Deeper Sands by Charles R. Fettke |
| 115 | January, 1937 | Structure and Stratigraphy of Fayette County (Preliminary Report) by Forrest T. Moyer |
| 116 | May, 1937 | Bradford Oil Field (Preliminary Report) by Chas. R. Fettke |
| 117 | May 1, 1937 | Supplementary Record of "Deep Sand" Wells in Pennsylvania |
| 118 | May, 1938 | Geology of the Oil and Gas Fields of the Tidioute Quadrangle, Pennsylvania (Advance Report) by S.H. Cathcart, R.E. Sherrill and L.S. Matteson |
| 119 | Dec., 1938 | The Canadian System (Technical Bulletin) by George H. Ashley |
| 120 | January, 1939 | Structure and Stratigraphy of the Brookville Quadrangle (Preliminary Report) by Charles. K. Graeber |
| 121 | May 31, 1939 | Structure and Stratigraphy of the Smicksburg Quadrangle (Preliminary Report) by Marchant N. Shaffner |
| 122 | July, 1939 | Geology of the Oil and Gas Fields of the Hilliards Quadrangle (Advance Report) by R.E. Sherrill and L.S. Matteson |
| 123 | Dec., 1939 | Oil Mining Possibilities in Pennsylvania by Parke A. Dickey |
| 124 | June, 1940 | Summit Gas Pool, Fayette County, Pennsylvania by Chas. R. Fettke |
| 125 | June, 1941 | Music Mountain Oil Pool and Other Oil Pools in Lafayette Township, McKean County, Pennsylvania by Chas. R. Fettke |
| 126 | June, 1941 | The Upper Devonian and Lower Mississippian of Southwestern Pennsylvania by Wilsom M. Laird |
| 127 | August, 1941 | Subsurface Sections across Western Pennsylvania by Chas. R. Fettke |
| 128 | August, 1942 | Manganese Minerals of Pennsylvania by Richard M. Foose |
| 129 | Dec., 1942 | Electrical Well Logging in the Eastern States by Parke A. Dickey |
| 130 | Dec., 1945 | Anthracite Reserves by George H. Ashley |
| 131 | 1946 | Haskell Sand Core from the Coryville Pool, McKean County, Pennsylvania (Preliminary Report) by Chas. R. Fettke and Wilbur H. Seifert |
| 132 | 1949 | Topographic Maps by Robert C. Stephenson |
| 133 | January, 1950 | Gas in Leidy Township, Clinton County, Pennsylvania by S.H. Cathcart |
| 134 | January, 1951 | Preliminary Report, Leidy Gas Field and Adjacent Areas, Clinton County by J.R. Ebright and A.I. Ingham (134 Side A) (134 Side B) |
| 135 | March, 1951 | Oil and Gas Developments in Pennsylvania in 1950 |
| 136 | April, 1951 | Preliminary Report on Certain Limestones and Dolomites of Berks County, Pennsylvania by Carlyle Gray |
| 137 | 1951 | Preliminary Report, Geology, and Mineral Resources of the New Florence Quadrangle by M.N. Shaffner |
| 138 | 1951 | Geologic structures of the Northern Plateaus Region of Pennsylvania by A.I. Ingham (a revision of Bulletin 108, Figure 2) (138 Side A) (138 Side B) |
| 139 | March, 1952 | Oil and Gas Developments in Pennsylvania in 1951 |
| 140 | February, 1952 | The High Calcium Limestones of the Annville Belt in Lebanon and Berks Counties, Pennsylvania by Carlyle Gray |
| 141 | Sept., 1952 | Preliminary Report: Geology and Mineral Resources of Donegal Quadrangle, Pennsylvania by M.N. Shaffner (141 Side A) (141 Side B) |
| 142 | January, 1953 | Preliminary Map: Geologic Structure of Parts of the Chestnut Ridge and Driftwood Anticlines in Clearfield and Elk Counties, Pennsylvania by Robert C. Bolger (142 Side A) (142 Side B) |
| 143 | 1953 | Oil and Gas Developments in Pennsylvania in 1952 by Chas. R. Fettke |
| 144 | April, 1954 | Oil and Gas Developments in Pennsylvania in 1953 by Chas. R. Fettke |
| 145 | 1955 | Preliminary Report: Occurrence of Rock Salt in Pennsylvania by Chas. R. Fettke (145 Side A) (145 Side B) |
| 146 | 1955 | Ground Water Resources of the Lansdale Area, Pennsylvania by Donald R. Rima |
| 147 | June, 1955 | Developments in Pennsylvania in 1954 by Charles R. Fettke and William S. Lytle |
| 148 | 1955 | Summary: Secondary Recovery Operations in Pennsylvania to January 1, 1954 including Petroleum Reserves and Production by Counties by William S. Lytle |
| 149 | 1956 | Preliminary Report: Geology and Mineral Resources of Southern Somerset County by Norman K. Flint (149 Side A) (149 Side B) |
| 150 | April, 1956 | Oil and Gas Developments in Pennsylvania in 1955 by Chas. R. Fettke and Wm. S. Lytle |
| 151 | April, 1957 | Oil and Gas Developments in Pennsylvania in 1956 by Wm. S. Lytle |
| 152 | 1957 | Preliminary Report on the Sedimentary Uranium Occurrences in the State of Pennsylvania by John F. McCauley |
| 153 | 1958 | Preliminary Report on the Chromite Occurrence at The Wood Mine, Pennsylvania by Davis M. Lapham |
| 154 | 1958 | Oil and Gas Developments in Pennsylvania in 1957 by William S. Lytle, John M. Bergsten, Addison S. Cate and Walter R. Wagner |
| 155 | 1959 | Oil and Gas Developments in Pennsylvania in 1958 by William S. Lytle, John M. Bergsten, Addison S. Cate and Walter R. Wagner |
| 156 | 1961 | Subsurface Cambro-Ordovician Stratigraphy of Northwestern Pennsylvania and Bordering States by. W.R. Wagner |
| 157 | 1960 | Oil and Gas Developments in Pennsylvania in 1959 by William S. Lytle, John M. Bergsten, Addison S. Cate and Walter R. Wagner |
| 158 | 1961 | Oil and Gas Developments in Pennsylvania in 1960 by Wm. S. Lytle, John M. Bergsten, Addison S. Cate, Walter R. Wagner |
| 159 | 1961 | Some Geological Factors Affecting the Upper Freeport Coal and its Quality by Edwin F. Koppe |
| 160 | 1962 | Oil and Gas Developments in Pennsylvania in Pennsylvania in 1961 by Wm. S. Lytle, Addison S. Cate, Wm. G. McGlade, Walter R. Wagner |
| 161 | 1962 | The Precambrian Geology of the Reading 15' Quadrangle by Tracy V. Buckwalter |
| 162 | 1963 | Oil and Gas Developments in the Youngsville-Sugar Grove Field of Warren County, Pennsylvania by Wilbur H. Seifert and William S. Lytle |
| 163 | 1963 | Preliminary Report of the Oil and Gas Resources of the Warren 7 1/2' Quadrangle by W.S. Lytle and L.A. Heeren |
| 164 | 1963 | Bedrock Geology of the Cedar Run Quadrangle, Tioga and Lycoming Counties, Pennsylvania by George W. Colton |
| 165 | 1963 | Oil and Gas Developments in Pennsylvania in 1962 by William S. Lytle, Addison S. Cate, William G. McGlade, Walter R. Wagner |
| 166 | 1964 | Oil and Gas Developments in Pennsylvania in 1963 by William S. Lytle, Addison S. Cate, William G. McGlade, Walter R. Wagner |
| 167 | 1965 | Bedrock Geology of the Slate Run Quadrangle, Clinton, Lycoming, and Potter Counties, Pennsylvania by George W. Colton and Stanley J. Luft |
| 168 | 1965 | Oil and Gas Developments in Pennsylvania in 1962 by William S. Lytle, William G. McGlade, Walter R. Wagner |
| 169 | 1967 | Geology of a Portion of the Mount Holly Springs Quadrangle, Adams and Cumberland Counties, Pennsylvania by Jacob Freedman |
| 170 | 1966 | Geology of a Portion of the Everett 15-minute Quadrangle, Bedford County, Pennsylvania by Raymond R. Knowles |
| 171 | 1966 | Hydrology of the Carbonate Rocks of the Lancaster 15-minute Quadrangle, Pennsylvania by Harold Meisler and Albert E. Becher |
| 172 | 1966 | Oil and Gas Developments in Pennsylvania in 1965 by William S. Lytle, Joseph H. Goth, Jr., Dana R. Kelley, William G. McGlade, Walter R. Wagner |
| 173 | 1967 | Oil and Gas Developments in Pennsylvania in 1966 by William S. Lytle, Louis Heyman, Walter R. Wagner |
| 174 | 1968 | Bedrock Geology of the Waterville Quadrangle, Lycoming County, Pennsylvania by George W. Colton |
| 175 | 1967 | Oil and Gas Developments in Pennsylvania in 1967 |
| 176 | 1969 | Geology of a Portion of the Allensville Quadrangle, Centre and Huntingdon Counties, Pennsylvania by Linda A. Flueckinger |
| 177 | 1969 | Oil and Gas Developments in Pennsylvania in 1968 by Dana R. Kelley, William S. Lytle, Walter R. Wagner, and Louis Heyman |
| 178 | 1969 | Representative Gamma-Ray Logs from Shallow and Deep Wells, Western Pennsylvania by Walter R. Wagner (178 Side A) (178 Side B) |
| 179 | 1970 | Geology of the Carbonate Rocks of Path Valley, Franklin County, Pennsylvania by Angelo Okuma |
| 180 | 1970 | Geology of the Carbonate Rocks in Western Franklin County, Pennsylvania by John H. Clark |
| 181 | 1970 | Oil and Gas Developments in Pennsylvania in 1969 with Ten Year Review and Forecast by Dana R. Kelly, William S. Lytle, Walter R. Wagner, Louis Heyman |
| 182 | 1970 | Isopach and Lithofacies Maps of the Devonian in the Appalachian Basin (182 Sheet 1) (182 Sheet 2) (182 Sheet 3) (182 Sheet 4) (182 Sheet 5) (182 Sheet 6) (182 Sheet 7) |
| 183 | 1971 | Oil and Gas Developments in Pennsylvania in 1970 |
| 184 | 1972 | Oil and Gas Developments in Pennsylvania in 1971 |
| 185 | Not Published | |
| 186 | 1973 | Oil and Gas Developments in Pennsylvania in 1972 |
| 187 | 1974 | Oil and Gas Developments in Pennsylvania in 1973 |
| 188 | 1975 | Oil and Gas Developments in Pennsylvania in 1974 |
| 189 | 1976 | Oil and Gas Developments in Pennsylvania in 1975 |
| 190 | 1977 | Oil and Gas Developments in Pennsylvania in 1976 |
| 191 | 1978 | Oil and Gas Developments in Pennsylvania in 1977 |
| 192 | 1979 | Oil and Gas Developments in Pennsylvania in 1978 |
| 193 | 1980 | Oil and Gas Developments in Pennsylvania in 1979 |
| 194 | 1981 | Oil and Gas Developments in Pennsylvania in 1980 |
| 195 | 1982 | Oil and Gas Developments in Pennsylvania in 1981 |
| 196 | 1983 | Oil and Gas Developments in Pennsylvania in 1982 |
| 197 | 1984 | Oil and Gas Developments in Pennsylvania in 1983 |
| 198 | 1985 | Oil and Gas Developments in Pennsylvania in 1984 |
| 199 | 1986 | Oil and Gas Developments in Pennsylvania in 1985 |
| 200 | 1987 | Oil and Gas Developments in Pennsylvania in 1986 |
| 201 | 1988 | Oil and Gas Developments in Pennsylvania in 1987 |
| 202 | 1989 | Oil and Gas Developments in Pennsylvania in 1988 |
| 203 | 1990 | Oil and Gas Developments in Pennsylvania in 1989 |
| 204 | 1992 | Oil and Gas Developments in Pennsylvania in 1990 with Ten-Year Review and Forecast |
| 205 | 1993 | Oil and Gas Developments in Pennsylvania in 1991 |