STATE GEOLOGIST. 
Columbian system of reinforced concrete.................... 
ColumnNsiaandeeplilarsmercecevacew aia ievote Uw so. oS situates s ws oaceeeles 
Combineducurbwands cutteny sso eck ces ook ea eon eile Sele ee sees 
Comparisony of, tootine foundations... 2... asso. ne ee hewn 
ConereterMlOCkisnOUSES hrchorces eve csousys tie soscer ented Ne cotesitue ouatovene o Sie cues 
CONCH LC MELO TINS ice rape ps erate ccp orsacaat cca Lae he gk Soe Oat eee eae ase eel Oe 
Concrete for sidewalks, specifications for.................... 
Road foundations, SHECINCATIONS SION nicctociacien io des Sola wed 
CONCTELSMIMIRETS Wee tara eta cae esta eLite tie hee de levclav pA Sboubityae oreo ohuote Lees 
(OP Was a) OE) NT Ses yeaah a atch ek Mee RS rte RR re Epc ah gE i a 
COUNTS T CE eters, secre ears oh oe ya otis eee ota ta roasts custsalis sghitanercaeShare Vononaaneadeee SoReal Lobia She 
GHEY Sieve I ge ea Oy a ty i ee ne 
LD PUBIS a a Y EG eRe kaa OAT SS IRR ek a PS 
ee 7. 
se ee eo 8 
eee ee ee 
VATIS OFM Cummrrninry see ter dcitep eerea ceca anak oUeweirenenaias suAitom ck Cast Imenche aa Rio he write ene 
SSTIDNE newest reo kaen ati shales Pac oeeee sth wee coed SRE Loco eaUee aes 
Concrete moldings and base-boards..................++.+---- 
Concretemwalls?laldsinmsections:. 2k tes ste vos bite Sipeceieeee oettens 
(CLOT KEG]: OSIENTONIOK TUVOSE NI OM ns ign Ao GPO UO Ro ce Ge olieG cain aan 
Corrosion of steel in concrete, danger from................. 
EOL MINOTCONES LOSES 3 ON mreedasiie cuctolacere leraeess costae etecce ie atoone dh gre lereiess 
Several instances of non-corrosion........................- 
COS HO ECON CHE LEN is bree OR esos re tale ae UR Le See i ek OE 
BlOckeestimia te dash veal d Cer week peste is ei sees tose Nets wie) suse 
Diver age lOCkpersres yee ee aranods a ciieiore: eis Cae oe es AE eg aRE 
ae aD LOC Kainattatees erratic eres wee clear aoe See con RE an a RE 
SLOMEN Sag OLOCK ganar rie Naked critinted seckncs Graton eet wea go sak, 
Cost of breakwaters: 
Uh ail O Mme Vcceie een a ek Sas salute tient Tb Aa wt ON Sete ey eg 
ING Wablavenaehiielanduats cs etd wea ie as ok ee 
Manguetierae Mil Chisticrmtiny css ween vay sie So amin Curhlerieky a dbo i ie 
Cost of bridges: 
IB CNLe Valle ree Aree cer aiihy Revngon uetens eaece eneh ea NERS ES cia 
PayconemOMi Oia sere meee eee seni ae kes aan 
Hale Creek walindianapolis winds sss 45 os oon oor ee 
GoatwisiandmeNiasanraseNe Ver ot aie sien ns 
COME Oe COU INOUE, Whe, In, I s6skoscousuccdbuuods us nnae 
CurbmandiGutteRaeseee rei ante etn eee ea eek lacie  ouievde 
ATL CEREVA TI TOA Ce senses cere sO thcl chee cee loho cheee ibe EAR ais citi cine Pek McRae pan 
IMEI COmsDOSUS Rayne orere weet aes oe uae RAV \tabe ductor ovoee oan 
OO LING S ewer ttecerworaiel ae Ne es eka clos ancl ohal Sa oa eall 
levee Wally ‘Columbus, Ohio. +... .....-. 2... 
GUE ONG Berna cesiere hota tes aie tne ci aoe oe atsiae sles 
O05 OF 
oe ee te we 
VOM Iollellelre 
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JM DUKE DYOKSTRS UC Cioerrca Sl Dig Leonel BS ie pe cast ti On era aun eR ee Re gS res 
Natural cement concrete .................... 
Piles; the Raymond conerete::..:............ 
Bonvandes cements acOnCrele errs aie oe 
Rail beds for street railways................. 
eee ee 
Natural and Portland cement mortar, relative cost of 
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ob OOO Go 
PORDO0O0aG Oo 
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Retaimineswalll SiG sohbet ans Re a een eae oe Ga a Se 
IRM OE NAL TKONDH AOE MITKO NOUS} eres agg eas Ke ty Gs cao CEE ram ee a ne oe a 
251 
PAGE. 
137 
147 
116 
141 
veld 
196, 209, 212 
198, 202, 204 
215, 217, 220 
225 
232 
232 
232 
225. 
232 
225 
230 
49 
209 
BD 
126 
127 
126, 127 
122 
78 
242 
76 
53 
123 
90 
86 
86 
80 
164 
162 
163 
148 
117 
68 
173 
143 
73 
53 
118 
123 
173 
122 
110 
26 
70 
111 
