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Old 07-12-2012, 07:20 PM   #26
alexbookhyip

Join Date
Oct 2005
Posts
460
Senior Member
Default
Using a 12 inch ruler marked in 1/16ths, what is the "magical number" used to plot lat/lons from a 7.5 min. topo map?

a. 12 inches
b. 6 1/4 inches
c. 9 6/16 inches
d. 7.225 inches
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