Principal facts for a set of regional gravity data for the Wells l- by 2-degree sheet, Nevada, by John W. Erwin, 1982.

Discussion of gravity work in the Wells 1- by 2-degree Quadrangle and an interpretation of the results including field methods and data production; appendices of statistical data for gravity stations; references.

Supplements M65.

Open-File Report 82-1, 89 pages, 3 appendices, 1 table, $27.00