Item #37899 REGULATION OF THE GREAT LAKES: DESIGNS FOR GATES, SLUICES, LOCKS, ETC. IN THE NIAGARA AND ST. CLAIR RIVERS, DECEMBER 30, 1925; REVISED TO OCTOBER 1, 1926 [EFFECT OF DIVERSIONS BY CHICAGO SANITARY DISTRICT]. John R. Freeman.

REGULATION OF THE GREAT LAKES: DESIGNS FOR GATES, SLUICES, LOCKS, ETC. IN THE NIAGARA AND ST. CLAIR RIVERS, DECEMBER 30, 1925; REVISED TO OCTOBER 1, 1926 [EFFECT OF DIVERSIONS BY CHICAGO SANITARY DISTRICT]

Chicago: Sanitary District of Chicago/Akerman Standard, 1926. First edition. Printed wrapper. Item #37899

548 pages with tables, graphs, maps, numerous construction diagrams, water levels, etc. A very good plus copy.

Price: $30.00