Circular 333, U.S. Dept. of Agriculture 



Plate 4 



Markers for Sample-Plot Corners. 



A, Concrete post (for specifications, see p. 18) for major corners. B, Angle iron (here indicating plot 7, 

 corner B). C. Wooden post carrying aluminum-tape tags on which plot data are embossed. D. Plot 

 corner mark etched on boulder, with painted description and with striped 1-inch pipe as witness. 



