50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931
50695.BA#001--(GROUP 1) Summary of concrete laid by company forces and by contract broken down by division by year--1900 thru 1931