WASHINGTON, Oct. 7 (TNSLrpt) -- Desert rock pools near Las Vegas can hold water for weeks or months after rainfall but do not provide a permanent drinking source for wildlife, according to the U.S. Geological Survey's 'Water Depth Fluctuations and Water Chemistry in Five Ephemeral Rock Pools (Tinajas), Clark County, Nevada, 2021-23.' Written by Joshua M. Gonzales and Katherine J. Earp, Scientific Investigations Report 2026-5067 examines water availability and chemistry at five sit . . .

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