Page 7 - flint1939
P. 7
2.
of expert advice in the places of the greatest difficulty.
The method of study has been to run a Brunton Comuass tra-
verse over the entire 2rer mapping the formations and the
structures on a photographically enlarged secticn of the U.S.
G.S~ tonographic sheet. Data was ent-red on the map as rapid-
ly as it was collected and any interesting facts were also
entered in a field notebock kept for that purpose. The field
work was done in the academic year 1938-1939.
