Aerial Photography

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1:4000 stereo colour aerial photographs (in negative format) were acquired on the 11th July, 2000, by QASCO Surveys Pty. Ltd on behalf of the Queensland Department of Natural Resources (QDNR) Landcare Centre. Photographs were taken using an RC20 large format photographic camera from late morning to mid afternoon. The effective swath width was 920 m and, for each photo principle point, GPS coordinates were recorded to within a nominal precision of ± 20 m absolute location. As 150 PSUs were sampled, 300 frames of photographs were obtained.