1. Data on ground-water quality for the Walker Lake 1⁰ x 2⁰ quadrangle, western Nevada and eastern California [cartographic material] Yale Public content 1987. 2002-06-01T04:00:00Z. 2023-10-14T03:01:39Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Nevada and California.