Latitude: 34š34'38"
Longitude: 118š09'51"

Number of Bench marks: 4

Number of Surveys to 1993: 4
Date of Initial Survey: 21 October 1978
Date of Latest Survey: 27 July 1990

Trespass Permission: Contact: Permission to trespass is required.

Directions: From Palmdale, proceed west on Palmdale Blvd about 2 miles from its intersection with State Hwy 14 to a dirt road that heads south over a ridge and down into a valley that contains the San Andreas fault.

Comments: This quadrilateral was established across the San Andreas fault by UCSB in 1974. Bench marks are Class B rod marks driven to refusal and capped with a stainless steel nipple. Slope lengths were surveyed with an HP3808A distance meter until 1990 when a Wi ld TC2000 total station distance meter was used.

Results: Line lengths have changed negligibly in two years between the first and last surveys of this array.

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