Add to ORKGPhotograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles J. Mankin, assistant professor of geology at the University of Oklahoma, discusses a graph on an X-ray diffraction machine with graduate student Charles St. Clair, Pacific Grove, Calif.
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Two new members of the Oklaho...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Professor Jean-Claude Roegle...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Stuart L Schoff / Norman ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, profe...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, professo...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles J. Mankin, direct...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles Mankin, director ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, Direc...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, director...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, direc...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles J. Mankin, direct...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dr. Charles Mank...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, Director...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. C. J. Mankin, of O. U. h...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. A. C. Manoharan, profess...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Two new members of the Oklaho...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Professor Jean-Claude Roegle...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Stuart L Schoff / Norman ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, profe...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, professo...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles J. Mankin, direct...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles Mankin, director ...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, Direc...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, director...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles J. Mankin, direc...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Charles J. Mankin, direct...
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Dr. Charles Mank...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. Charles Mankin, Director...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. C. J. Mankin, of O. U. h...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dr. A. C. Manoharan, profess...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Two new members of the Oklaho...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Professor Jean-Claude Roegle...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Dr. Stuart L Schoff / Norman ...