,devils ,po/pile                        
,,national ,,monum5t  ,,cali=nia        
,,devils ,,po/pile ,,national ,,monum5t 
,along ! picturesque ,middle ,=k ( !    
,san ,joaqu9 ,riv] at #b1cjj  met]s     
7#g1fjj feet7 on ! we/]n slopes ( !     
,si]ra ,nevada lies  ,devils ,po/pile   
,national ,monum5t4 ,! #cbd-;hect>e     
7#hjj-;acre7 monum5t  ne> ! resort      
community ( ,mammo? ,lakes includes "o  
dom9ant  feature3 a =mation ( column>   
basalt kn[n z ,devils ,po/pile4  ,ano!r 
important feature 9 ! area is ,ra9b[    
,falls4 ,pumice is !  dom9ant rock-type 
enc\nt]$1 b basalt1 &esite1 rhyodacite1 
&  granite lie j "u ! surface & crop out
 9 _m places4 ,plants  & animals are    
typical ( lodgepole p9e & r$ fir =e/s4  
,to see  ! features ( ! monum5t "o mu/  
walk4      ,,devils ,,po/pile    ,!     
=mation ( ,devils ,po/pile began :5     
basalt lava erupt$ 9 !  valley ( !      
,middle ,=k ( ! ,san ,joaqu9 ,riv]4 ,z  
lava fl[$ f  ! v5t1 x fill$ ! valley ne>
 ! ,po/pile to a dep? ( #abb  met]s     

7#djj feet74 ,rec5t radiometric dat+ (  
rocks ?\ght to  correlate ) basalt (    
,devils ,po/pile sugge/ an age ( less   
?an  #ajj1jjj ye>s4    ,surface cracks  
=m$ :5 t5sions caus$ by ! %r9kage ( !   
cool+ lava 7 great] ?an ! /r5g? ( ! lava
 itself4 ,ea*  crack bran*$ :5 obta9+ a 
critical l5g? & toge!r ) o!r  cracks =m$
 a patt]n on ! surfaces ( ! fl[4 ,ideal 
conditions  all[$ surface cracks to     
deep51 result+ 9 ! =mation ( long       
columns4        ,illu/ration3 uncaption$
    ,approximately #aj1jjj ye>s ago1    
glaci]s fl[$ d[n ! ,middle ,=k (  ! ,san
 ,joaqu9 ,riv]4 ,?is mov+ ice easily    
ov]rode ! fractur$  mass ( lava & qu>ri$
 away "o side ( ! ,po/pile1 expos+ a    
%e] wall ( columns #ah met]s 7#fj feet7 
high4 ,_m fall5 columns n[  lie fragm5t$
 on ! talus slope bel[4    ,a hike to ! 
top ( ! ,po/pile reveals n only a cross 
section (  ! po/s1 b ! mo/ int]e/+      
effect ( ! ice--poli%$ tops (  ! basalt 
columns4 ,"h1 ! column ends are expos$ l
 a til$ floor  & exhibit p>allel        

/riations :]e ! glaci] dragg$ rocks     
across  !m4    ,ev5 ?\gh ,devils        
,po/pile is among ! _w's f9e/ examples (
  column>-jo9t$ basalt1 x is n unique4  
,giant's ,causeway 9 ,irel&  & ,f+al's  
,cave 9 ,scotl& are simil> =mations4    
,,soda ,,spr+s    ,ne>by m9]al spr+s are
 evid5ce ( rec5t local volcanic         
activity4  ,! ,soda ,spr+s lie on a     
gravel b> 9 ! ,san ,joaqu9 ,riv] j nor? 
( ! ,po/pile4 ,"h1 gases driv5 upw>d f  
hot areas deep 9 !  e>? comb9e ) gr\nd  
wat] to produce cold & highly c>bonat$  
m9]aliz$ spr+s4 ,! iron pres5t 9 ,soda  
,spr+s wat] oxidizes on  exposure to !  
atmosph]e & /a9s riv] gravel a r$di%    
br[n4        ,illu/ration3 uncaption$   
,,safety    ,= y\r safety1 rememb] t !re
 are haz>ds 9 ! m\nta9s t  usually d n  
exi/ 9 ! city4 ,/ay on designat$ trails2
 ^! are  ! safe/ places to hike4 ,use   
caution :5 view+ features f ne>  cliff  
or gorge edges4 ,foot+ c be haz>d\s4    
,,w>n+3 ,be>s inhabit  ! monum5t4 ,prop]
 food /orage is requir$ by ,f$]al law4  

,illu/ration3 uncaption$      ,,monum5t 
,,b\nd>y    ,,campgr\nd    ,,to ,u4,s4  
#cif  ,,mammo? ,,lakes    ,,rang]       
,,/ation 7,el4 #g1efj ft47    ,,sot*]   
,,lake    ,soda ,spr+s    ,,devils      
,,po/pile    ,k+ ,creek ,trail    ,san  
,joaqu9 ,riv]    ,,r$s ,,mead[    ,,!   
,,buttresses    ,middle ,=k    ,john    
,muir ,trail    ,b\nd>y ,creek          
,,ra9b[ ,,falls 7#aja feet7    ,,l[]    
,,falls        ,illu/ration3 uncaption$ 
,,ra9b[ ,,falls    ,at ,ra9b[ ,falls !  
,middle ,=k ( ! ,san ,joaqu9 ,riv] drops
 #ca  met]s 7#aja feet7 ov] an &esite & 
rhyodacite cliff4 ,x is ?\ght  t aft] ! 
la/ glaci] melt$1 ! riv] fl[$ d[n/ream f
  ,devils ,po/pile 9 *annels ab\t #deg  
met]s 7#a1ejj feet7 we/ ( its  pres5t   
c\rse4 ,fl[+ 9 ^! old] *annels1 x cut   
?r\gh !  rhyodacite lava d[n to granite1
 leav+ a cliff ( rhyodacite = its  ea/]n
 bank4 ,!n1 "s di/ance up/ream1 ! wat]s 
7 div]t$  ea/w>d4 ,! riv] left its b$ to
 foll[ its pres5t pa? until x  return$  
to ! old *annel1 by cascad+ d[n ! cliff 

x _h e>li]  cut4 ,?us ,ra9b[ ,falls 0   
=m$4 ,a /airway & %ort trail lead to  ! 
bottom ( ! falls1 :]e num]\s fl[]s &    
grasses =m an  en*ant+ g>d54 ,c>s may be
 driv5 to )9 #a4f kilomet]s 7#a mile7  (
 ! falls via ! road to ,r$s ,mead[4     
,,ab\t ,,y\r ,,visit    ,! monum5t is   
rea*$ by a #af-kilomet] 7#aj-mile7 drive
 we/ f ,u4,s4  #cie on ,s4,r4 #bjc to   
,m9>et ,summit1 !n by #aa4b kilomet]s   
7#g miles7 (  pav$ n>r[ m\nta9 road4 ,! 
monum5t is adm9i/]$ by ! ,national  ,p>k
 ,s]vice1 ,u4,s4 ,dep>tm5t ( ! ,int]ior4
 ,= m in=mation  write3 ,sup]9t5d5t1    
,sequoia & ,k+s ,canyon ,national ,p>ks1
 ,?ree  ,riv]s1 ,,ca #icbga4 ,p>k rang]s
 are on duty to assi/ y1 to conduct     
int]pretive activities1 & to en=ce !    
regulations4 ,clos$ 9  w9t]4            
,accommodations & s]vices4 ,meals1      
lodg+1 groc]ies1 gasol9e1  horses1 & o!r
 facilities & s]vices are available at  
,mammo? ,lakes  or ne>by ,r$s ,mead[4   
,camp+4 ,a campgr\nd is ma9ta9$ ne> !   
rang] /ation f ab\t  ,july #a to ,octob]

 #ae1 dep5d+ on ! wea!r4    ,hik+4      
,trips may be made nor? or s\? on !     
,john ,muir ,trail &  we/ on ! ,k+      
,creek ,trail4 ,! monum5t also has      
sev]al %ort  trails4    ,fi%+ & hunt+4  
,fi%+ is p]mitt$ 9 ! monum5t1 b hunt+   
is prohibit$4 ,a ,cali=nia angl+ lic5se 
) appropriate /amps is  requir$ = p]sons
 #af ye>s ( age or ov]4    ,pets4 ,pets 
are p]mitt$ 9 ! monum5t only if !y are  
kept "u  direct physical control at all 
times4                                  
,national ,p>k ,s]vice                  
,u4,s4 ,,dep>tm5t ,,( ,,! ,,int]ior     
,,gpo #aihd--dba-fac_/cag ,repr9t #aihd 
,transcrib]'s ,notes      --,sil5tly    
correct$ a few typos4    --,reta9$      
publication in=mation f ! pr9t$ edition3
 ?is e,book    is public-doma9 9 !      
c\ntry ( publication4    --,9 ! text    
v]sions only1 text 9 italics is delimit$
 by    und]scores4