Robert M Hirsch U.S. Geological Survey

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Nondetects and Data Analysis: Statistics for Censored Environmental Data: 9780471671732: Helsel, Dennis R., USGS: Books

Robert M. Hirsch Books List of books by author Robert M. Hirsch

Robert J. Emry Smithsonian National Museum of Natural History

Long-term mercury loading and trapping dynamics in a Western North America reservoir - ScienceDirect

Front Matter, A Review of the USGS National Water Quality Assessment Pilot Program

Frontiers Sphalerite as a non-traditional critical metal source: Correlative microscopy (EPMA, EBSD, and APT) of cobalt-enriched sulfides from the sediment-hosted copper-cobalt Dolostone Ore Formation deposit, Namibia

Not higher but more often

Robert M. Hirsch, Research Hydrologist, USGS September 6, 2012 Nitrogen, Phosphorus, and Suspended Sediment fluxes from the Susquehanna River to the Bay. - ppt download