Environmental Research, Inc. utilizes both softcopy and analytical stereoplotting techniques, providing a wide range of photogrammetric products generated from
current and historical aerial photographs that include:

ERI generates topographic maps from aerial images captured with precision-mapping cameras. Our photogrammetric services range from high-altitude mapping to 1"=20 precise engineering mapping, including low altitude helicopter-based mapping. In addition to our stand-alone photogrammetric products, we also integrate photogrammetric data into our imagery analysis projects.

We utilize state-of-the-art stereoplotting instruments and VrTwo SoftCopy Systems to capture planimetric and topographic data. Final editing on photogrammetric projects is performed with VrOne and CadMap software.

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