Florida G. Casey to Thomas Lincoln Casey, October 28, 1893

Florida G. Casey to Thomas Lincoln Casey, October 30, 1894

Florida Gordon Casey to Thomas Lincoln Casey, June 26, 1888

Foundation and buttressing calculations, undated

Frances O'Reilly to Thomas Lincoln Casey, January 31, 1894

Francis B. Whitcomb to Thomas Lincoln Casey, October 23, 1895

Francis Collingwood to Thomas Lincoln Casey, February 10, 1886

Francis Collingwood to Thomas Lincoln Casey, May 20, 1886

Francis Fassenden to Thomas Lincoln Casey, November 24, 1882

Francis Fessenden to Thomas Lincoln Casey, April 5, 1872

Francis Fessenden to Thomas Lincoln Casey, August 28, 1886

Francis Fessenden to Thomas Lincoln Casey, December 8, 1886 (1)

Francis Fessenden to Thomas Lincoln Casey, December 8, 1886 (2)

Francis Fessenden to Thomas Lincoln Casey, February 29, 1892

Francis Fessenden to Thomas Lincoln Casey, February 5, 1894

Francis Fessenden to Thomas Lincoln Casey, February 6, 1882

Francis Fessenden to Thomas Lincoln Casey, June 11, 1872

Francis Fessenden to Thomas Lincoln Casey, June 15, 1872

Francis Fessenden to Thomas Lincoln Casey, June 19, 1894

Francis Fessenden to Thomas Lincoln Casey, June 8, 1893

Francis Fessenden to Thomas Lincoln Casey, May 10, 1872

Francis Fessenden to Thomas Lincoln Casey, May 18, 1872

Francis Fessenden to Thomas Lincoln Casey, May 26, 1863

Francis Fessenden to Thomas Lincoln Casey, May 28, 1895

Francis Fessendon to Thomas Lincoln Casey, March 11, 1886

Eugene, B. Sanges to Thomas Lincoln Casey, February 1, 1886

Eustace Gibson to Thomas Lincoln Casey, April 21, 1886

Evans to Thomas Lincoln Casey, February 7, 1870, receipt

Ewald Schmitt to Thomas Lincoln Casey, August 24, 1881

Exact levels of corners referred, undated

Executive Officer, Office of the Commsioners, D. C. to Thomas Lincoln Casey, April 6, 1895

Extract from a recent report to Hon. [Thomas] Ewing, undated, copy

Extract from the class and conduct reports, April 10, 1852

Extract from the class and conduct reports, April 7, 1851

Extract from the class and conduct reports, December 16, 1850

Extract from the Class and conduct reports, December 20, 1849

Extract from the class and conduct reports, March 9, 1850

Extract from the Class and conduct reports, May 21, 1849

Extract from the Class and conduct reports, November 12, 1849

Extract from the Class and conduct reports, October 15, 1849

Extract from the Class and conduct reports, October 24, 1848

Extract from the project for expenditure of amount appropriated for improving various reservations, [January] 1881

Ezra Straus to Thomas Lincoln Casey, November 16, 1895

Ezra Straus to Thomas Lincoln Casey, November 2, 1895

F. A. Richardson to Thomas Lincoln Casey, June 20, 1881

F. A. Seeley to Thomas Lincoln Casey, February 28, 1880

F. Denison to Thomas Lincoln Casey, March 4, 1882

F. E. Chadwick to Thomas Lincoln Casey, December 18, 1886

F. H. Hathaway to Thomas Lincoln Casey, March 31, 1892

F. H. P. to [A.] A. Humphreys, December 4, 1871.; A. A. Humphreys to Thomas Lincoln Casey, December 15, 1871