Skip to main content
USGS - science for a changing world
Advanced Search

Filters: Tags: North Carolina (X)

5,755 results (20ms)   

Filters
Date Range
Extensions
Types
Contacts
Categories
Tag Types
Tag Schemes
View Results as: JSON ATOM CSV
thumbnail
Field spikes were prepared at 207 stream and river sites as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project between December, 2012, and September, 2015. At the field site, a depth-and width-integrated environmental sample was collected, and one subsample of the environmental sample was spiked with a known amount of a spike mixture. Both the spiked subsample ("spike sample") and another subsample ("environmental sample") of the original water sample were analyzed for pesticides at the USGS National Water Quality Laboratory (NWQL) by direct injection liquid chromatography with tandem mass spectrometry (LC-MS/MS), and were used to calculate the spike recovery of each analyte....


map background search result map search result map USGS Small-scale Dataset - Congressional Districts of the United States - 110th Congress 200710 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 112th Congress 201101 Shapefile USGS Combined Vector for Gilreath, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Huntdale, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Lake Burlington, North Carolina 20160712 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Leonards Point, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Lobelia, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Lockwoods Folly, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Manchester, North Carolina 20160712 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Bern, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Palmyra, North Carolina 20160712 7.5 x 7.5 minute Shapefile USGS Combined Vector for Pamlico Sound 2 (All Water), North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Selma, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Wilmar, North Carolina 20160712 7.5 x 7.5 minute Shapefile USGS Combined Vector for Mouth of Wilson, Virginia 20160714 7.5 x 7.5 minute Shapefile USGS Combined Vector for Northwest Durham, North Carolina 20160618 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Old Fort, North Carolina 20160618 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Tarboro, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Union, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Gilreath, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Huntdale, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Lake Burlington, North Carolina 20160712 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Leonards Point, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Lobelia, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Lockwoods Folly, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Manchester, North Carolina 20160712 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for New Bern, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Palmyra, North Carolina 20160712 7.5 x 7.5 minute Shapefile USGS Combined Vector for Pamlico Sound 2 (All Water), North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Selma, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Wilmar, North Carolina 20160712 7.5 x 7.5 minute Shapefile USGS Combined Vector for Mouth of Wilson, Virginia 20160714 7.5 x 7.5 minute Shapefile USGS Combined Vector for Northwest Durham, North Carolina 20160618 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Old Fort, North Carolina 20160618 7.5 x 7.5 minute FileGDB 10.1 USGS Combined Vector for Tarboro, North Carolina 20160618 7.5 x 7.5 minute Shapefile USGS Combined Vector for Union, North Carolina 20160706 7.5 x 7.5 minute FileGDB 10.1 USGS Small-scale Dataset - Congressional Districts of the United States - 110th Congress 200710 Shapefile USGS Small-scale Dataset - Congressional Districts of the United States - 112th Congress 201101 Shapefile