U.S. Geological Survey
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Is “The Impossible” Possible in the Pacific Northwest? – Coastal Community Tsunami Hazards and Risk Free USGS Public Lecture February 28
February 28th at 7 p.m. (PST) — Public Lecture information: http://online.wr.usgs.gov/calendar
Citizen Scientists Submit More Than 100,000 Map Points
Historical Hydraulic Fracturing Trends and Data Unveiled in New USGS Publications
Natural Breakdown of Petroleum Underground Can Lace Arsenic into Groundwater
California state waters map series: offshore of Pacifica, California
Arsenic cycling in hydrocarbon plumes: secondary effects of natural attenuation
Direct and indirect effects of environmental variability on growth and survivorship of pre-reproductive Joshua trees, Yucca brevifolia Engelm (Agavaceae)