V 





Figure 1 



/ 



Chloride distribution in New Hampshire, 1918-1924 /'' '*' 



(•6.9 



I 



0.6 



• Ground water 



^0.4 



J 



i>7 

 1.0 



05 



07 



7 0^ ' 

 • • I 



as 



Q8 

 • 05 



• 



0.5 



045 



5.9 



1.0 



0.5 



.0.7 



06 



0.6 



/ 



'•7 

 /07 



0.5 



.1 



1.6. 



,"1.0 



[?' 



^Ojt'" 



'I'l's 1.2 1.1 

 / • • • 



1.6 



1.0 



-2.4 



10-- 



1.1 



,45 



08 



095 



10 



1.0 \2 



•1.2 



U 



2.0./ 



1.6 



0.9 



40 



I 



tl 10 



-t ^ 



/ 0.8°*^ 

 / 

 i 



> 



i 



1.6 



0.« 08 



1.1 



1.5 



1.0 



4.0 



1.2 [2 0.85 

 * t • 



•15 



1.2 



i'/ 2 5'" 



0.9V_10 



1.3 



4.0 



10 



2.8» 



\ 



1.1 



2.3 



1.5 



I 2.7 



1.9 



J.8' 



3.8i.3-2, 

 r''7X)'> 



1.9 



27/60 



,6J^ ' 



0.9 



10 



^^•' 6.5 3.0 \ ' ; 2.2 1° ; \ ?.i ' ■ ^^^^ 



/ 



) -^ 4*/' *' ' \] 48' '' /ifl \ /2 ^ — ^5.0*5 



'U -"jV ^^ ?*^.a^°-y /:^i.2 ,'2.3 J^'Xsi/ u.^.^^r 



^r^r ' -,. ^-|8,''.19 .u / \V\ '' ^ '^ 



V-i*' 2.5 , - - _ - ro "1 2~ ~ - -* ' / / 'c\ sjy-/ ■<r-'' 



