BULL. GEOL. SOC. AM. 



VOL. 18, 1906. PL. 3 



T^ 



TOPOGEAVHro SKETCH MAP 

 OF TH E 



'^'. RIO GRANDE REGION 



■^ftr^v . NEW ME.XICO 



Willi.-; r, Lee 



Fisriuv'. indicate t.'lev;itici)is in fret 





B08LEOO ■ . \ 



M:n' ^^F^■II o 



Tkxas 



irsic 



MAP OF RIO GRANDE REGION, NEW MEXICO 

 Showing location of Afton craters 



