Winter Operations : March 1970 / Norbert W. O'Hara ... [et al.].

AERIAL PHOTOGRAPHIC ICE RECONNAISSANCE SURVEY

On the 5th of March, 1970, an aerial photographic ice reconnaissance survey
of the Lake Michigan shoreline was conducted using a light single-engine aircraft
(Cessna 182).
Flight operations, conducted from the Ann Arbor airport, involved a total
of 8 hours flight time. The survey commenced at Grand Haven, Michigan, and was
flown around Lake Michigan in a clockwise direction. The flight proceeded southward along the shoreline past Michigan City and then westward to Chicago. From
there the survey continued on past Milwaukee, northward along the Dorr Peninsula
between Green Bflay and Lake Michigan, past Manistique in the Northern PeninsuLa
of Michigan, to a point north of Beaver Island. From this point the aircraft
crossed northern Lake Michigan passing over Beaver Island on a southeasterly
heading. Upon reaching the Southern Peninsula of Michigan in the area of Little
Traverse Bay, the aircraft continued southward to the Traverse City airport
where the aerial photographic operations were concluded.
The objective of this ice reconnaissance flight was to photograph and observe
for discussion the alongshore ice and open water areas in the vicinity of specific
nuclear and fossil-fuel power plants. Some of these plants were not in operation
during the period of this survey. In addition various harbor areas, non-specified
power plants, waste disposal plants and pollutants originating from numerous
sources were observed and photographed during the flight. In all, 57 colored
slides and 1 black and white slide are included with this report. The slides are
displayed and discussed in the order in which the aerial survey was conducted.
The geographic location and sequencial number (Slide 1 through 58) is indicated
on each slide.
Along the Michigan and Indiana shores there was sufficient ice to judge the
effect of plant discharges. The common observation was that shore ice extended

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