ENLARGED SECTION OF FIELD MAP 



415 



Figure 2 illustrates one-ninth of the same quadrangle which is used 

 for figure 1. Its northwest corner is at the intersection of latitude 44 

 degrees 15 minutes, with longitude 73 degrees 30 minutes. As the quad- 



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Figure 2. — One-ninth of a United States Geological Survey Topographic Sheet in Latitude kk. 

 The ruling is designed to show the coordinate method by ninths. 



