Petroleum geologist. Correspondence (1921–1922) to Conkling from his colleagues concerning personnel changes at Roxana Petroleum Corporation, Ardmore, Oklahoma, including Conkling’s resignation as head geologist in 1922 and his subsequent employment; an employment contract (1914) between Conkling and the Bataafsche Petroleum Maatshappij, an allied corporation of Roxana Petroleum based in the Netherlands; and certificates (1929–1946) issued to Conkling by the University of Oklahoma. Also included is a reprint of a biographical article (1952) written by Albert S. Clinkscales shortly after Conkling’s death.