Calculations and Estimates: Quantities and Values of Granite Stock and Cutting in North Wing, undated Calculations and Estimates: S. [Samuel] F. Phillips to Alex. Ramsey, December 19, 1879 Calculations and Estimates: South Wing, undated Calculations and estimates: Stock & Cutting in S W & N Building, undated Calculations and Estimates: Stone Cutting [Memorandum], undated Calculations and estimates: Stone papers, 1882 Calculations and Estimates: Thomas Lincoln Casey to Robert T. Lincoln, April, 7, 1883 Calculations and estimates: West Wing, undated Calculations and estimates: When we took charge March 3, 1877, undated Calculations and estimates: When we took charge of Building March 3, 1877 , undated Calculations and Estimates: [Envelope], undated Calculations and estimates: [Memorandum] concerning fire places Navy Building, undated Calculations and estimates: [Memorandum] Cost of Plastering 3d Coat North, undated Calculations and estimates: [Memorandum] Estimate for Water Main, undated Calculations and estimates: [Memorandum] Estimate of Cost of heating apparatus Navy Building, undated Calculations and estimates: [Memorandum] Estimate of Cost of Stones Stairs of War Building, undated Calculations and estimates: [Memorandum] of Parties to furnish bricks, undated Calculations [of water levels and amounts at Great Falls (GF) and Distributing Reservoir (DR)?], undated Calculations, etc, of Prices of Stonecutting, 1877 Calhoun Latham to Thomas Lincoln Casey, December 27, 1888 Camelia C. J. Dyer to Thomas Lincoln Casey, January 15, 1884 Capt. Charles Carr to Thomas Lincoln Casey, January 24, 1891 Capt. Crowninshield to Thomas Lincoln Casey, August 6, 1885 Capt. Edmonds to Thomas Lincoln Casey, December 19, 1890 Capt. F. B. Jones to Thomas Lincoln Casey, January 13, 1891 Capt. F. B. Jones To Thomas Lincoln Casey, January 9, 1891 Capt. F. E. Jones to Thomas Lincoln Casey, January 19, 1891 Capt. Fred C. Pierce to Thomas Lincoln Casey, April 13, 1885 Capt. Frederic V. Abbot to Thomas Lincoln Casey, February 4, 1890 Capt. Leach to Thomas Lincoln Casey, January 8, 1891 Capt. O. E. Michaelis to Thomas Lincoln Casey, December 27, 1885 Capt. Reed to Thomas Lincoln Casey, February 17, 1890 Capt. Taber to Thomas Lincoln Casey, July 5, 1890 Capt. Thomas W. Symons to Col. [George Henry] Mendell, August 17, 1892 Capt. W. A. Kirkland to Thomas Lincoln Casey, February 4, 1890 Capt. W. A. Kirkland to Thomas Lincoln Casey, February 5, 1890 Capt. W. L. Marshall to Thomas Lincoln Casey, April 29, 1891 Capt. W. L. Marshall to Thomas Lincoln Casey, June 9, 1891 Colonel Peter C. Haines to Thomas Lincoln Casey, May 6, 1878 Colonel Peter C. Hains to Thomas Lincoln Casey, April 30, 1869 Colonel Peter C. Hains to Thomas Lincoln Casey, June 1, 1869 Colonel Peter C. Hains to Thomas Lincoln Casey, March 20, 1869 Colonel Peter S. Michie to Thomas Lincoln Casey, April 21, 1869 Colonel Robert N. Scott's papers, July 8, 1862 to March 4, 1869 Colonel Rockwell to Thomas Lincoln Casey, November 12, 1877 Colonel Theodore B. Samo to Thomas Lincoln Casey, January 16, 1879 Colonel Theodore B. Samo to Thomas Lincoln Casey, January 3, 1879 Colonel William P. Craighill to Thomas Lincoln Casey, February 7, 1877 Colonel William P. Craighill to Thomas Lincoln Casey, May 11, 1877 Colonel William P. Craighill to Thomas Lincoln Casey, May 2, 1877