Establishing accurate wide-area survey control networks is a daunting task that few land survey firms are up to. EO&A's personnel have experience working with the National Geodetic Survey (NGS) and California Spatial Reference Center (CSRC) in creating GPS networks spanning hundreds of miles in the Central Valley and Sierra Nevada with millimeter-level accuracy. Give us a call to discuss your geodetic network project, however large...or not so large.
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