Santa Ana River Base Mapping

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Berryman & Henigar retained GUIDA who was working in conjunction with CDM to provide aerial control for the Santa Ana River project. GUIDA'S land-surveying support services were used in providing base sheet information for the Orange County Water District/Orange County Sanitation District Groundwater Replenishment System Project. The work included providing horizontal and vertical control for more than 14 miles of aerial topographic strip mapping along the Santa Ana River and surface streets utilizing GPS surveying technology.

Establishment of Field Control

Aerial Topography

Setting Aerial Targets