The items in the Digital Collections of the University of Illinois Urbana-Champaign Library contain materials which represent or depict sensitive topics or were written from perspectives using outdated or biased language. The Library condemns discrimination and hatred on any grounds. As a research library that supports the mission and values of this land grant institution, it is incumbent upon the University Library to preserve, describe, and provide access to materials to accurately document our past, support learning about it, and effect change in the present. In accordance with the American Library Association’s Freedom to Read statement, we do not censor our materials or prevent patrons from accessing them.
Shows area above conservation pool, vertical freeboard of induced surcharge, area uphill of conservation pool, take line and 5-year, 20-year, 85-year flood frequency lines.
Relief shown by contours and spot heights.
Black line print on drafting vellum.
Differs from edition having identical scale, legend, and features in that cartographic image is copied to recto rather than verso, and map is composed of plastic rather than semitransparent paper.
Shows area above conservation pool, vertical freeboard of induced surcharge, area uphill of conservation pool, take line and 5-year, 20-year, 85-year flood frequency lines.
Relief shown by contours and spot heights.
Black line print on drafting vellum.
Differs from edition having identical scale, legend, and features in that cartographic image is copied to recto rather than verso, and map is composed of plastic rather than semitransparent paper.
