Quality-Assurance Plan for Groundwater Activities, U.S. Geological Survey, Washington Water Science Center okumak kayıt olmadan

Quality-Assurance Plan for Groundwater Activities, U.S. Geological Survey, Washington Water Science Center

Çevre ve Ekoloji

The Water Mission Area (WMA; previously organized as the Water Resources Discipline, or WRD) of the U.S. Geological Survey (USGS) performs a wide variety of groundwater data-collection programs and investigations to assess the status of the Nation's groundwater resources. Results of these activities are used to aid the Nation in characterizing, developing, managing, and maintaining its groundwater resources. As the Nation's principal earth-science agency, the USGS collects accurate data and produces factual and impartial interpretive reports.

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Collectif 15 x 0,3 x 22 cm 15 x 0,7 x 22 cm 21,6 x 0,6 x 27,9 cm 1 Ocak 2016 Dazzle Book Press 1 Ocak 2017 1 Haziran 2018 15 x 0,6 x 22 cm 30 Eylül 2020 Flower Love Press 15 x 0,5 x 22 cm BrownTrout Publisher 1 Ocak 2018 U.S. Department of the Interior 15 x 0,4 x 22 cm Kolektif 28 Şubat 2018

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