Experiments with several vocabularic and graphic techniques involving pre-field organization have led to a final hinged-card field log which is plotted directly in the field as measurement, collection, and field description of the stratigraphic section proceed. This graphic field log can be at any scale consistent with good sedimentologic sampling, but should contain spaces for the entry of all subsequent laboratory data. Upon completion of field and laboratory work, this dual log may be used for direct plotting on tracing cloth, or may be reduced by photostat for the construction of cross sections.

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