NEBO Level Line

Latitude: N 34°57'57"
Longitude: W 116°55'54"

Length: 2962m
Number of Bench marks: 78

Number of Surveys to 2000: 3
Date of Initial Survey: 13 July 1994
Date of Latest Survey: 21 June 1996

Trespass Permission: None required

Directions: From the east end of Barstow, proceed 4.5 miles eastward on I-15 toward Las Vegas to Fort Irwin Road, exit and proceed north 6.1 miles to a point where the leveling line crosses the highway.

Comments: This line was established to determine if folding is presently occurring across an WNW-trending anticline developed in Quaternary alluvium that lies above an isolated and robust cluster of earthquakes related to, and at the northmost end of the 28 June 1992 Landers earthquake sequence.

Results: No significant height changes or tilt have been identified among the three surveys.

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