Dept. Bull. 1136, U. S. Dept. of Agriculture PLATE 14 
TWO IMPORTANT KINDS OF DRYING DEFECTS 
A.—Collapse in redwood; before drying, the board of which this piece is a section was uniform in 
thickness. B.—Honeycomb in a cross section of a Douglas fir plank. C.—Extreme honeycomb in 
the tangential face of a resawed piece of plain-sawed oak. 
