PHYSICAL TESTS OF ROAD-BUILDING ROCK. 
23 
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<n co io ■* io co ->*i oo *# r- t- »o t- e^i oo oi ■* 
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2°°8 
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COCiCN)>-HCOai<MCO 
COrH»mNlN005 
lOod^'cDCDOJoJlO 
COO>"*l NONN 
i u5 n5 do ■ c4 o5 ic od 
1 *-- cm "* ^^coc 
i - S. m •* -C* ,-< oo ti" i-h 
OOOOO'T't^COCSJi— l«tf 
®NNNK5lO -f >C t— t 1 .-I 
-HCOCOrH H_(COOt-M 
CO CO kO t~- CO t— lO r— lO 
COON ■<»< CO © CM CD 00 
©' co ci ^^o> ^© irf m' co >5<' 
cocooooocooscoco-fcocooo 
loco'c^cd^'co'cocor^cdi^d 
!DO«»N0001<<JIHC>lt^ ■ —l 
i>I co' »o lO CN1 *C Ol CO* lO so »o CO o 
hhOMOOioI'iOOh X 
oioMHiocoxe^MS ,2 
t — t i — 1 CO-"* i-H CMCOCM 
