Olmsted locks & dams (replacement of locks & dams 52 & 53) :
supplement no. 1 to design memorandum no. 1.

Description

Viewability

Item Link Original Source
Full view   v.1 Main reportt University of Illinois at Urbana-Champaign
Full view   v.2 Appendix A, Locks & appendix B, approach walls University of Illinois at Urbana-Champaign