Early Oil and Gas Exploration, Pennsylvania - cardcreek
The decline and ultimate production of oil wells,Govt. print. off., 1919 - 213 pages,G.P.O., 1921 - 245 pages,
Page 101,http://books.google.com/books?id=svxVOV1kpJAC&lpg=PA234&ots=zyS_7Q4eoR&dq=sullivan%20County%2C%20pennsylvania%2C%20oil%20and%20gas&pg=PA101#v=onepage&q&f=false

The decline and ultimate production of oil wells,Govt. print. off., 1919 - 213 pages,G.P.O., 1921 - 245 pages,
Page 101 http://books.google.com/books?id=svxVOV1kpJAC&lpg=PA234&ots=zyS_7Q4eoR&dq=sullivan%20County%2C%20pennsylvania%2C%20oil%20and%20gas&pg=PA101#v=onepage&q&f=false