Plate 60 — Industrial waterfront, moonlight exposure
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Atmospheric Survey — Night Operations

Plate 60 — Industrial waterfront, moonlight exposure

River Engineering Bureau — Night Survey Division, river channel, arc lamp observation
Department River Engineering Bureau — Night Survey Division
Date c. 1900–1915 (undated)
Conditions Night, still water, haze, active stacks, arc lamp illumination
District District 1 — Black River District
Accession No. 01-1900-000060
Observation Note “Arc lamp reflec­tion con­tin­u­ous across mid-chan­nel. Dock struc­ture vis­i­ble at left mar­gin.” — Obser­va­tion Log 3C, Sta­tion unknown
Filed under Night Operations Structural Works Mechanical Systems Fog Survey Smoke Conditions Low Visibility