Supplementary record of "deep sand" wells in Pennsylvania /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg] : Topographic and Geologic Survey, 1937

Gas and oil in Potter County, Pennnsylvania /

by Cathcart, S. H. (Stanley Holman), 1889-
Harrisburg : Pennsylvania Topographic and Geologic Survey, 1934

Geology of the oil and gas fields of the Tidioute quadrangle, Pennsylvania : (advance report) /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1938

Geologic structure in the plateaus region of Northern Pennsylvania and its relation to the occurrence of gas in the Oriskany sand /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geological Survey, 1934

Gas in Leidy Township, Clinton County, Pennsylvania /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1950

Geology of the oil and gas fields of the Tidioute quadrangle, Pennsylvania : (advance report) /

by Cathcart, S. H. (Stanley Holman), 1889-
Harrisburg : Pennsylvania Topographic and Geologic Survey, 1938

Gas in Leidy Township, Clinton County, Pennsylvania /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg, Pa.] : Pennsylvania, Bureau of Topographic and Geologic Survey, 1950

Geologic structure in the plateaus region of Northern Pennsylvania and its relation to the occurrence of gas in the Oriskany sand /

by Cathcart, S. H. (Stanley Holman), 1889-
Harrisburg : Pennsylvania Topographic and Geologic Survey, 1934

Gas in Leidy Township, Clinton County, Pennsylvania /

by Cathcart, S. H. (Stanley Holman), 1889-
[Harrisburg] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1950