Fan, alluvial, [213].

Farrington, O. C., cited, [29].

Fault, drag upon, [60].

Fault breccia, [60].

Fault topography, [65].

Faults, [58], [440];

during earthquakes, [71];

earthquake, change in throw upon, [76], [77], [78];

earthquake, disappear in loose materials, [73];

earthquake, of small displacements, [74];