Chart of estimate #8 of work done by John Williams during the month of June

Chart of estimate #8 of work done by John Williams during the month of June. This is signed by Fred Holmes, June 1856

Chart of estimate #9 of work done by John Williams for the month of July

Chart of estimate #9 of work done by John Williams for the month of July. This is signed by Fred Holmes, July 30, 1856.

Chart of estimate #11 of work done by John Williams

Chart of estimate #11 of work done by John Williams. This is signed by Fred Holmes, Sept. 1856.

Chart of estimate #12 of work done by John Williams

Chart of estimate #12 of work done by John Williams. This is signed by Fred Holmes, Oct. 1856.

Chart of estimate #13 of work done by John Williams

Chart of estimate #13 of work done by John Williams. This is signed by Fred Holmes, Nov. 1856.

Chart of estimate #14 of work done by John Williams

Chart of estimate #14 of work done by John Williams. This is signed by Fred Holmes, Dec. 1856.

Chart of unnumbered estimate of work done by John Williams

Chart of unnumbered estimate of work done by John Williams. This is signed by Fred Holmes, Apr. 1857.

Chart of unnumbered estimate of work done by John Williams

Chart of unnumbered estimate of work done by John Williams. This is signed by Fred Holmes, May 1857.

Chart of estimate #18 of work done by John Williams

Chart of estimate #18 of work done by John Williams. This is signed by Fred Holmes, June 1857.

Chart of station 2, crop sections of the old back ditch on the south side of the feeder, station 45, station 118 and the total length from the culvert to lot no. 5

Chart of station 2, crop sections of the old back ditch on the south side of the feeder, station 45, station 118 and the total length from the culvert to lot no. 5. This is signed by Fred Holmes, April 13, 1857.

Cross sections of Lyons Creek from Cooks Mills Dam to culvert

Cross sections of Lyons Creek from Cooks Mills Dam to culvert (9 pages of charts, graphs and text, handwritten). This is signed by Fred Holmes, May 1857.

Diagrams (charts and graphs) made into a booklet with a newspaper cover

Diagrams (charts and graphs) made into a booklet with a newspaper cover. This booklet contains cross sections of the back ditch on the south side of the Welland Canal feeder, west of the Marshville culverts (45 pages, hand drawn). This was created by Fred Holmes, Oct. 3, 1857.

Estimate of clearing and chopping done by Alexander Cook and Andrew Mains

Estimate of clearing and chopping done by Alexander Cook and Andrew Mains, signed by Fred Holmes, Feb. 23, 1855.

Estimate of work done on marsh lands drainage by A. Cook and A. Mains and an estimate of time on the marsh lands survey from September to November

Estimate of work done on marsh lands drainage by A. Cook and A. Mains and an estimate of time on the marsh lands survey from September to November by Fred Holmes, Thomas Baird and Joseph Simpson. This is signed by S.D. Woodruff, Nov. 29, 1855.

An estimate for Cook and Lauder for the excavation of marsh lands main drain for the month of October, 1856

An estimate for Cook and Lauder for the excavation of marsh lands main drain for the month of October, 1856. This is signed by Fred Holmes, Oct. 1856.