SCGISDB2_BASE_REF_AERIAL_SURVEY_CONTROL

Description:

GPS surveying shall establish photo-control points to check the new aerial photography. The location of the photo-control shall be strategically placed throughout the County in order to maintain the desired positional accuracy. The origin of the photo-control survey; the Network - GPS field surveys for the supplemental photo-control will originate from First-order NGS and/or CALTRANS control stations. NGS control station monuments are used as a primary source of horizontal survey control. These primary control monuments are used to locate other surveys.

Creator:

Merrick Company Project Number 50013734

Publisher:

Santa Rosa (Calif.). County Of Sonoma Gis Central.

Provider:

University of California Berkeley

Resource Class:

Datasets

Resource Type:

Point data and Vector data

Subject:

Planning and Cadastral

Temporal Coverage:

2001

Spatial Coverage:

Sonoma County (Calif.)

Access Rights:

Public

Format:

Shapefile