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which maps have been published. Over 3,000 quadran 
theUJ n itedSl|^^g|e been surveyed, and maps of 1 
Hflfl^^^Hthe other side of this sheet have 
or 
air< 
o 
i 
quadrangle are represented, an<jbe< 
mapsshowing these features are bound together with a dejl 
tive text to form a folio of the Geologic Atlas ol the Lj, 
States. More than 200 folios have been published. 
Index maps of each State and of Alaska and Hawaii sh<4r 
the areas covered by topographic maps and geologic foliosin 
lished by the United States Geological Survey may be ob 
tree. Copies of the standard topographic maps may be ob 
for 10 cents each; some special maps are sold at different f 
A; discount of 40 per cent is allowed on an order for 
amounting to $5 or more at the retail price. The ge 
folios are sold for 25 cents or more each, the price dene 
j 
on the size of the folio. 
A circular describing the folio 
a 
be sent on request. 
Applications for maps or folios should be accompani 
cash, draft, or money order (not postage stamps) and sho^ 
addressed to 
THE DIRECTOR, 
United States Geological 
Washing ton, ^ 
January, 1924. 
M 
