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Definition and world resources of natural bitumens / by Richard F. Meyer and Wallace de Witt, Jr (U.S. Geological Survey bulletin ; 1944)

Definition and world resources of natural bitumens / by Richard F. Meyer and Wallace de Witt, Jr (U.S. Geological Survey bulletin ; 1944)
Microform図書
1990<YCA-I 19.3:1944>
National Diet Library
  • Author HeadingMeyer, R. F. (Richard F.) , 1921- De Witt, Wallace, 1920- Geological Survey (U.S.)

Nodules of diagenetic barite in Upper Devonian shales of western New York / by James F. Pepper, Sandra H.B. Clark, and Wallace de Witt, Jr (U.S. Geological Survey bulletin ; 1653)

Nodules of diagenetic barite in Upper Devonian shales of western New York / by James F. Pepper, Sandra H.B. Clark, and Wallace de Witt, Jr (U.S. Geological Survey bulletin ; 1653)
Microform図書
1986<YCA-I 19.3:1653>
National Diet Library
  • Author HeadingPepper, James F Clark, Sandra H. B De Witt, Wallace, 1920- Geological Survey (U.S.)

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