Description images/pp0135 1

BUILDING PIER OF CONCRETE WITH STEEL REËNFORCEMENT

1

\

■ ■■ * ■'■■■'■'^å'- i ÊåjÃĚĚĚm

\

IéiééìÌIB

1.

BUILDING CONCRETE ARCHES. SHOWING FRAMEWORK

Description images/pp0135 2

SECTION OF FLORIDA KEYS RAILROAD, BUILT ACROSS OPEN SEA