About the Web Mapping Application
This web mapping application allows users to make comparisons between national scale environmental datasets and Bacillus species and Bacillus anthracis detection results. The datasets include soil physical, chemical, and mineralogical data, current and historical climate data, landcover, and biological surveys.
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Studies determine background concentrations of select pathogens in soils of the contiguous U.S. and the influences of geochemistry, weather and climate on these populations.
Geochemical and mineralogical maps, with interpretation, for soils of the conterminous United States
Between 2007 and 2013, the U.S. Geological Survey conducted a low-density (1 site per 1,600 square kilometers, 4,857 sites) geochemical and mineralogical survey of soils in the conterminous United States. The sampling protocol for the national-scale survey included, at each site, a sample from a depth of 0 to 5 centimeters, a composite of the soil A horizon, and a deeper sample from the soil C hor
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USGS/EPA collection protocol for bacterial pathogens in soil
This Sample Collection Procedure (SCP) describes the activities and considerations for the collection of bacterial pathogens from representative surface soil samples (0-5 cm). This sampling depth can be reached without the use of a drill rig, direct-push technology, or other mechanized equipment. This procedure can be used in most soil types but is limited to sampling at or near the ground surface
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- Science
Joint USGS/USEPA Pathogens in Soils Geographic Information Systems Project
Studies determine background concentrations of select pathogens in soils of the contiguous U.S. and the influences of geochemistry, weather and climate on these populations. - Publications
Geochemical and mineralogical maps, with interpretation, for soils of the conterminous United States
Between 2007 and 2013, the U.S. Geological Survey conducted a low-density (1 site per 1,600 square kilometers, 4,857 sites) geochemical and mineralogical survey of soils in the conterminous United States. The sampling protocol for the national-scale survey included, at each site, a sample from a depth of 0 to 5 centimeters, a composite of the soil A horizon, and a deeper sample from the soil C horAuthorsDavid B. Smith, Federico Solano, Laurel G. Woodruff, William F. Cannon, Karl J. EllefsenGeochemical and mineralogical maps for soils of the conterminous United States
The U.S. Geological Survey began sampling in 2007 for a low-density (1 site per 1,600 square kilometers, 4,857 sites) geochemical and mineralogical survey of soils in the conterminous United States as part of the North American Soil Geochemical Landscapes Project. The sampling protocol for the national-scale survey included, at each site, a sample from a depth of 0 to 5 centimeters, a composite ofAuthorsDavid B. Smith, William F. Cannon, Laurel G. Woodruff, Federico Solano, Karl J. EllefsenUSGS/EPA collection protocol for bacterial pathogens in soil
This Sample Collection Procedure (SCP) describes the activities and considerations for the collection of bacterial pathogens from representative surface soil samples (0-5 cm). This sampling depth can be reached without the use of a drill rig, direct-push technology, or other mechanized equipment. This procedure can be used in most soil types but is limited to sampling at or near the ground surfaceAuthorsDale W. Griffin, F.L. Shaefer, Charlena Bowling, Dino Mattorano, Tonya Nichols, Erin Silvestri