File Artesan Water Co., reports concerning, undated Box 4 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Notes concerning the Chicago River, undated Box 4 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Chicago Sanitary District reports, 1917-1924 3 folders Box 4 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Miscellaneous papers 16 folders Box 4 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Notes and writings 2 folders Box 5 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Hudson Bay Company file, 1857-1908 26 folders Box 5 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Low water survey of the Missouri River, 1882 2 folders Box 5 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Miscellaneous engineering reports Box 5 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers
File Letter Book, 1890-1893 Box 5 In: Ernest L. Cooley Papers, 1875-1928 » Miscellaneous Professional Papers