78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
78 p. Includes sections of Appendix SS: Report of Capt. William W. Harts, Corps of Engineers; and Appendix TT: Report of Maj. W. L. Fisk, Corps of Engineers. Additional information on these topics can be found by consulting the Indexes to the Chief of Engineers Reports 1866-1912: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1082 and 1913-1917: http://boundless.uoregon.edu/cgi-bin/docviewer.exe?CISOROOT=/wwdl&CISOPTR=1112
4 p. Selected pages of the Report of the Chief of Engineers for 1878. Included are annual reports detailing improvements of the Columbia, Snake, and Willamette rivers in Oregon and Washington territory.
13 p. Selected pages of the Report of the Chief of Engineers for 1873. Also included are annual reports on the works of river improvement for the Willamette and Columbia rivers, Oregon.