Photos were taken in a sunny day. Using a weather balloon. A digital camera were tied under the balloon and it has been set to automatically taking photo once a while. The location of this field work is at University of Waterloo, Village 1 green. Geo 187 instructor Dr Johnson and TAs acquired the data, with using Helium, weather balloon, digital camera. tapes, bottle of water, rubber bands, and gloves.
https://mapknitter.org/embed/zijian-niu-geo187
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