Exploration diamond drilling in the Boulder batholith, Jefferson and Silver Bow Counties, Montana /

Radiometric logging of the drill holes was accomplished by means of a Geiger counter-type probe. Samples for chemical assay were selected after checking the core with a Geiger counter and correlation with the radiometric logging record. The exploration project did not disclose significant amounts of ore-grade material although encouraging indications were found at two different properties.

1954 exploration drilling in the Boulder batholith, Jefferson and Silver Bow Counties, Montana /

"DATE."

The fundamentals of well log interpretation.

Previous editions published under title: The fundamentals of electric log interpretation.

True location and orientation of fractures logged with the acoustic televiewer (including programs to correct fracture orientation) /

Bibliography: p. 42.

Radiation Protection Advisory Council ...

" ... in accordance with the provisions in Paragraph 217, Chapter 111 1/2, Illinois Revised Statues."--Agenda.