Captain [Frederick] A. Mahan to Thomas Lincon Casey, April 23, 1887 Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, July 19, 1869 Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, May 15, 1869 Captain [Garrett] J. Lydecker to Thomas Lincoln Casey, May 23, 1869 Captain [George] W. Davis to Thomas Lincoln Casey, April 5, 1879 Captain [George] W. Davis to Thomas Lincoln Casey, August 3, 1879 Captain [George] W. Davis to Thomas Lincoln Casey, March 30, 1884 Captain [William] T. Rossell to Thomas Lincoln Casey, February 12, 1891 Carl F. Palfrey to Thomas Lincoln Casey, July 18, 1887 Carl Just to Thomas Lincoln Casey, March 27, 1891 Carl Schurz to Thomas Lincoln Casey, undated [October 1877] Calculations and estimates: Granite Papers, undated Calculations and Estimates: Granite [or Quantities and Values of ""Ordway"" granite and cutting in the West Wing, January 23, 1884 Calculations and Estimates: Gravel [arranged] f[or] E. Wing, undated Calculations and Estimates: J. R. Bodwell to Secretary of War [George W. McCrary], March 6, 1877 Calculations and estimates: Major cost per c. ft., undated Calculations and Estimates: March 6, 1877. Bod. Co., undated Calculations and Estimates: North Wing, undated Calculations and estimates: Number of C. feet of Granite, undated Calculations and estimates: On July 1, 1878, Estimated it would cost , undated Calculations and Estimates: Ordway, East Wing, undated Calculations and Estimates: Ordway, South Wing, undated Calculations and estimates: Per centrum of Cost of Contingent Services in North Wing, February 2, 1881 Calculations and estimates: Position & Course, undated Calculations and Estimates: Quantities and Values of Bodwell Co. Granite and Cutting in West and Centre Wings, January 18, 1884 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