Pay roll voucher #12 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the office approved by F. Shanly, chief engineer, April, 1857

Pay roll voucher #12 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the office approved by F. Shanly, chief engineer, April, 1857.

Pay roll voucher #13 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the Northern Division for the month of April, 1857 approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer, April 27, 1857

Pay roll voucher #13 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the Northern Division for the month of April, 1857 approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer, April 27, 1857.

Pay roll voucher #14 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the Southern Division for the month of April, 1857 approved by F. Shanly, chief engineer and Francis A. Doyle, assistant engineer, April 28, 1857

Pay roll voucher #14 from the Engineer Department of Port Dalhousie and Thorold Railway Extension for the Southern Division for the month of April, 1857 approved by F. Shanly, chief engineer and Francis A. Doyle, assistant engineer, April 28, 1857.

Pay roll voucher # 17 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Northern Division for the month of May, 1857, approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer, May 27, 1857

Pay roll voucher # 17 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Northern Division for the month of May, 1857, approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer, May 27, 1857.

Pay roll voucher #16 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the office approved by F. Shanly, chief engineer, May 30, 1857

Pay roll voucher #16 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the office approved by F. Shanly, chief engineer, May 30, 1857.

Pay roll voucher #18 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Southern Division approved by F. Shanly, chief engineer and F.A. Doyle assistant engineer, May 31, 1857

Pay roll voucher #18 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Southern Division approved by F. Shanly, chief engineer and F.A. Doyle assistant engineer, May 31, 1857.

Pay roll voucher #20 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Northern Division approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer (copy) June 1857

Pay roll voucher #20 from the Engineer Department of Port Dalhousie and Thorold Railway Extension, for the Northern Division approved by F. Shanly, chief engineer and W.G. Thompson, assistant engineer (copy) June 1857.