Chart and a memo regarding the Port Dalhousie and Thorold Railway from Port Dalhousie to St. Catharines

Abstract

Chart and a memo (4 pages, handwritten) regarding the Port Dalhousie and Thorold Railway from Port Dalhousie to St. Catharines. This is an explanation reflecting the differences between the approximate and final estimate. The memo is slightly stained and the chart is slightly torn. This does not affect the text, Jan. 2, 1856.