PHYSICAL TESTS OF KOAD-BUILDING EOCK. 
15 
++ ++ ++ + 
00(00)(OOOC < lt*N"t ,t O'- | * , M51WOOiONOOMOO(NT-IKI"ONOOiOailN0500aiOTj< ^.00 HHOOOMOOOO) 
CM lO CM CM CM CM ^^©HCO'tOOOmiNOOI'OOINI-nH rtlNCOCO'OC-JO-HMCMCOINCOCOwSrHtO i-H r-( 
i-l (Nr-lrtirjlCH lOlOMlOiO CM CM i-H lO 
NO®W HlOOONdNiOCS^tON Ci CO CM CM lO © -t< CM CM CM CO CM t- CO 00 CO CO !>• I> t- ^ (N !>■ t- 00 CM ■<* CO lO 
odt^t^as ododa>o6cdcdodcdododcdt^ ^cm t- oo 06 t^ cd ad ■* t— ^^cd 00 
o oo oo ^t~- ao ooGf J 'Z'y.'WoooiN«'*»cBc» 
CMO5t~00l>- «* OS CM CM O Cft O CM OS CT> rj< OS ^H O Tt< 00 CO 05 00 CM CM CM t>- 
ON!OiQO'*'*C»OOiOOt^CO>H'*00(OlO 
lOb-'co'dlN ^~,°° ^NWOSN'ON^'-iNod't'Oidod^OOOddModNffl^ 
^CM OHMCf OfflMiOOOHHOeOOCM 
l CM i-H CM i-i i-H r-l CM CM 
COOi-<I>-00 00 »0 CO CO *tf i-l 00 CO -ti CM 00 ^H O t~ 00 !>• 00 00 t— O OS CO ^ (NNt0NO»O'*t>C0N00>O<OMt»iJ<N 
cm id cm' co ^r ■* cm >d cm ^' »d cd cm' ,^cd cm ** 00 •*' cm' ■* ^cd ■* >d cd cd ** cm cm _ cd co •& »-5 ■* cm" cm cm i-5 t-^ cm' .h co cm cd cd >-J r-< 
io*N!»HNC»iNiNOC»oiiomO(rtm 
lOONOOllOa^M-^NiliHHlOiJiX 
rtCllONHNNOfOmaON 
(NiOOtONHOifTlnDmHrtiic 
i-l t— Tf CX> 
HHMOl 
00Cfi"O©>O0500CMO>©l-~CO^O2 
lOcOl^CMCMi-Hi-ICOCM^HOOCMCOCM 
s 
1 
TH KJHt> 
CM 
©HH^INH I— 1 "Tji 
00 00 
CO O 
t^TfiCMCMlOlOt^OOOCO"* 
OOOOcOcOOcOTficO^iOCO 
OCcNlO(NCOt--COait^-a>CM(NCMCM^HlOiOCClOCMCMCMOCOOiOlOCMl^ 
N N (O N 10 CO lO lO f O 'J3 N ID C "/ C - C - 1 - 1- (O N (D (O N t^ M 
lO lO 00 CM CM lO 
t^ co co t^ co co 
COION 
~ 1 - V 
r ,v, «**, «*,«* ■■• *. ,. 
C3 W <Ex5 
3 cs 
' ' ' o .2 ° "3 £ s § ? .2 ' 
,<2T3 
SAO*! j 
,c £ o o F£ S 
PI 
f^Mh 
O 
C3 ^hH w R cj c3 
«-°^^ S C3 « 
HrHOtDlO'V 
■*K3«tOiOiO!000 
