Home › Authors › John Cedric Griffiths 👤 John Cedric Griffiths b. 1912 – d. 1992 · 3 books Biography This is the geologist John C. Griffiths Books by John Cedric Griffiths The unit regional-value concep The unit regional-value concept and its application to Kansas 1969 Sampling a geological populati Sampling a geological population 1968 Scientific method in analysis of sediments 1967