Results of leveling across fault scarps in the Las Vegas Valley, Nevada, April, 1978-April, 1987, by Nick C. Varnum, 1987.

The placement of level lines to determine the existence, if any, of narrow zones of severe differential movement that may be occurring along or near existing fault scarps resulting from groundwater withdrawal-induced land subsidence; statistical appendix; references.

Updates OF80-7, F81-5, and OF82-10; see also B95.

Open-File Report 87-7, 51 pages, 11x8.5", 14 b/w drawings, 3 tables, 1 appendix, $16.00