A summary of major geophysical logging methods,

by Kelley, Dana R.
Harrisburg [Commonwealth of Pennsyvlania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969

Medina and Oriskany production along the shore of Lake Erie, Pierce Field, Erie County, Pennsylvania,

by Kelley, Dana R.
Harrisburg [Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey] 1969

Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania,

by Kelley, Dana R.
Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1967

Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania /

by Kelley, Dana R.
Harrisburg : Pennsylvania Bureau of Topographic and Geologic Survey, 1967

The petroleum industry and the future petroleum province in Pennsylvania, 1970 /

by Kelley, Dana R.
Harrisburg, PA. : Pennsylvania Bureau of Topographic and Geologic Survey, 1970

A summary of major geophysical logging methods /

by Kelley, Dana R.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1981

Medina and Oriskany production along the shore of Lake Erie : Pierce Field, Erie County, Pennsylvania /

by Kelley, Dana R.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969

A summary of major geophysical logging methods /

by Kelley, Dana R.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1969

Geology of the Red Valley sandstone in Forest and Venango Counties : Pennsylvania /

by Kelley, Dana R.
Harrisburg : [Pennsylvania Topographic and Geologic Survey], 1967

Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania /

by Kelley, Dana R.
Harrisburg, [publisher not identified], 1967

Oil and gas developments in Pennsylvania in 1969 with ten year review and forecast /

by Kelley, Dana R.
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1970

[Surface to Middle Devonian (Onandaga) stratigraphy gamma ray log cross sections, part 1] /

by Kelley, Dana R.
[Harrisburg, Pa.] : The Geological Survey, 1972

Oil and gas developments in Pennsylvania in 1969 with ten year review and forecast /

by Kelley, Dana R.
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1970

Salina or equivalent and deeper penetrations, Pennsylvania

by Kelley, Dana R.
[Harrisburg, Pa.] : The Bureau of Topographic and Geologic Survey, 1979

Oil and gas developments in Pennsylvania in 1968 /

by Kelley, Dana R.
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969

A summary of major geophysical logging methods /

by Kelley, Dana R.
Harrisburg, [publisher not identified], 1969

Medina and Oriskany production along the shore of Lake Erie, Pierce Field, Erie County, Pennsylvania,

by Kelley, Dana R.
Harrisburg, 1969

Tully and deeper formations, brine analyses of Pennsylvania

by Kelley, Dana R.
[Harrisburg, Pa.] : [Bureau of Topographic and Geologic Survey], 1973

The petroleum industry and the future petroleum province in Pennsylvania, 1970 /

by Kelley, Dana R.
Harrisburg, PA. : Pennsylvania Bureau of Topographic and Geologic Survey, 1970

Geology of the Red Valley sandstone in Forest and Venango Counties, Pennsylvania /

by Kelley, Dana R.
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1967