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the map are printed the names of adjoining quadrangle) 
winch .maps have been published. Over 3,000 quadrangle 
the. United States have befen surveyed, and maps of , 
similar to the one on the otlier side of this sheet have l 
published. , 
The topographic map is the base on which the geology j 
mineral resources of a quadrangle are represented, and I 
maps showing these features are bound together with a dead 
hrm j ] ie \j, A 
!S. 
Moie than 200 folios have been published. 
Index maps of each State and of Alaska and Hawaii-sha\i r 
the areas covered by topographic maps and geologic folios i 
hahed by the L cited States Geological Survey may be ohtai 
- 
lor 10 cents each; some special maps are sold at different pr| i 
A discount of 40 per cent is allowed on an order for a 
amounting to $5 or more at the retail price. The geol 
folios are sold for 25 cents or more each, the price depem 
on the size of the folio. A 
» 
be sent on request. 
• 1 Aj** 
Applications fov maps or folios sliould be accoinpauiedi 
sliou 
circular describing the folios' 
January, 1924. 
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'TOR.. ‘ iVi| 
Stales Geological Savvey, 
Washington, I) 
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