Plate 70 — Flood control structure, section 7-4, winter survey
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Infrastructure Survey — Floodgate Works

Plate 70 — Flood control structure, section 7-4, winter survey

W.P.A. Illinois River Basin Survey — Section 7-4, gate mechanism, winter conditions
Department W.P.A. — Illinois River Basin Survey
Date January 18, 1937
Conditions Snow, overcast, winter, river running high
District District 12 — Flood Control District
Accession No. 12-1937-000070
Observation Note “Gate mech­a­nism in closed posi­tion. Riv­er lev­el ele­vat­ed. No per­son­nel on plat­form at time of sur­vey.” — Sur­vey Log 7 – 4, Illi­nois Riv­er Basin
Filed under Winter Operations Flood Watch Structural Works Floodgate Works Winter Light