Environmental Research Inc. specializes in the acquisition and stereoscopic analysis of current and historical aerial photographs and other remote sensing sources dating back to the 1930s. Analyses are performed on industrial, military, environmentally sensitive, and/or historically significant sites. The findings from these analyses are depicted in chronological sequence and may include, but are not limited to, the following thematic categories:

Our professional aerial imagery analysts adhere to a proven technical approach of analyzing stereo film transparencies through zoom stereoscopes mounted on high intensity light tables, which enables the interpreters to extract the maximum amount of information from the aerial photographs. This systematic procedure, coupled with our staff’s unique qualifications and commitment to excellence, is the foundation that distinguishes ERI in the field of environmental aerial imagery analysis. Two types of stereoscopic workstations utilized by ERI analysts include:

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