Unsigned letter to John Williams stating that before the return of the final estimate, the arch of the bridge must be completed

Unsigned letter to John Williams stating that before the return of the final estimate, the arch of the bridge must be completed, Sept. 19, 1857

Chart of estimate #7 of work done by John Williams during the month of May. This is signed by Fred Holmes, May 29, 1856

Chart of estimate #7 of work done by John Williams during the month of May. This is signed by Fred Holmes, May 29, 1856.

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 #10 of work done by John Williams

Chart of estimate #10 of work done by John Williams. Aug. 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, Nov. 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, Dec. 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 estimate #15 of work done by John Williams

Chart of estimate #15 of work done by John Williams, Mar. 1857.

Chart of estimate #16 of work done by John Williams

Chart of estimate #16 of work done by John Williams, April 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, Apr. 1857.

Chart of estimate #17 of work done by John Williams

Chart of estimate #17 of work done by John Williams. This is signed by S.D. Woodruff, May 1857.