CURRENT & HISTORICAL IMAGERY ANALYSIS
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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