Cover title. In this bound-with volume, numbers 109-110, and the 2nd and 3rd editions of number 113, are bound out of sequence.
Binding notes
Bound with this are: Gas in Tioga County, Pennsylvania / by S.H. Cathcart and T.H. Myers ; 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 ; The possible occurrence of gas in the Oriskany sand of Elk County / by S.H. Cathcart ; The possibility of finding gas in Cameron County, Pennsylvania / by S.H. Cathcart ; Possibility of finding gas in the Oriskany sand in McKean County / by S.H. Cathcart ; The white clays of Pennsylvania / by Henry Leighton ; Pennsylvania geology summarized [3rd ed.] / by Bradford Willard ; Pennsylvania geology summarized [2nd ed.] / by Bradford Willard ; Subsurface stratigraphy of northwestern Pennsylvania : and a resume of gas and oil possibilities of deeper sands / by Charles R. Fettke ; Structure and stratigraphy of Fayette County : preliminary report / by Forrest T. Moyer.