84 



PROCEEDINGS OF THE ACADEMY OF 



[March, 



26 ^25 





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 \ Ifii Peaks' 







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-21 



BLACK RANGE 



^ Streams 



Dry cio, 



Tra/Zs 



= = = = = = Ro2>>.ds 



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Fig. 1. — Collecting stations in the Black Range, southern section. The map^is 



ruled into square miles. 



