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Found 1137 dataset(s) matching "grading".
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To assess the current topography of tidal marsh at the study sites we conducted survey-grade global positioning system (GPS) surveys between 2009 and 2014 using a Leica RX1200 Real Time Kinematic...
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To assess the current topography of tidal marsh at the study sites we conducted survey-grade global positioning system (GPS) surveys between 2009 and 2014 using a Leica RX1200 Real Time Kinematic...
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Point feature class and related table containing the Precise Surveys measurement time series. Measurements include elevations, Northings and Eastings, distances, and point-to-point measurements....
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The Common Core of Data Nonfiscal Survey, 1989-90 (CCD 1989-90) is a data collection that is part of the Common Core of Data (CCD) program; program data is available since 1986-1987 at...
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The NASA Landsat Data Collection (NLDC) is a compilation of Landsat multispectral scanner (MSS) scenes and Landsat thematic mapper (TM) scenes. This compilation of scenes represents data...
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To assess the current topography of tidal marsh at the study sites we conducted survey-grade global positioning system (GPS) surveys between 2009 and 2014 using a Leica RX1200 Real Time Kinematic...
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The Common Core of Data Nonfiscal Survey, 1994-95 (CCD 1994-95) is a data collection that is part of the Common Core of Data (CCD) program; program data is available since 1986-1987 at...
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To assess the current topography of the tidal marshes we conducted survey-grade elevation surveys at all sites between 2009 and 2013 using a Leica RX1200 Real Time Kinematic (RTK)Global...
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Rail fatalities at highway-rail grade crossings. Fatalities may be reclassified upon subsequent reporting. The Federal Railroad Administration collects accident/incident and operational data from...
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This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2014 (USGS Field Activity Number...
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The Common Core of Data Nonfiscal Survey, 2012-13 (CCD 2012-13) is a data collection that is part of the Common Core of Data (CCD) program; program data is available since 1986-1987 at...