Images are captured via our aircrafts belly-mounted 10 megapixel digital SLR camera system.
For a small site, a vertical photograph can be made up of a single image.
For a larger site, a series of vertical images are taken and then stitched together to generate a mosaic map.
This images are not ortho-rectified (ie. straightening and flattening of an image so that the scale is the same anywhere on the image or geo-registered ( ie. associating the image to a latitude and longitude or a physical address) This is a vertical photograph.

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