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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Downloadable (2) Map Service (2) OGC WMS Layer (2) Shapefile (2) Contacts Anne E. McCafferty Jeffrey R Kennedy U.S. Geological Survey - ScienceBase Geology, Geophysics, and Geochemistry Science Center Arizona Water Science Center More... Categories Data (2) Tag Types Theme (2) Place (2) Harvest Set (2) USGS Scientific Topic Keyword (1) Tag Schemes USGS Thesaurus (2) Geographic Names Information System (GNIS) (1) None (1) none (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV

Airborne magnetic and radiometric survey, Ironton, Missouri area This publication provides digital flight line data for a high-resolution horizontal magnetic gradient and radiometric survey over the Ironton, Missouri area of southeast Missouri. Data were collected using a fixed wing aircraft with magnetometers mounted in the tail stinger and each wing tip pod and a fully calibrated gamma ray spectrometer. The survey operated out of the Farmington, Missouri airport during January to mid-February of 2016. The survey covers an irregularly shaped region within a 54 x 53 square-kilometer area centered on the town of Ironton, Missouri. Data were collected along north-south flight lines spaced 300 meters (m) apart with east-west tie lines flown every 3000 m. A mean terrain clearance... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: CGGSC, Cedar Hill, Crustal Geophysics and Geochemistry Science Center, Iron Mountain, Ironton, All tags... MRP, Mineral Resources Program, Missouri, Pilot Knob, Shepard Mountain, USGS Science Data Catalog (SDC), aeromagnetic surveying, aeroradiometric surveying, geophysics, geoscientificInformation, geospatial datasets, magnetic field (earth), magnetic surveying, Fewer tags Gravity Change from 2014 to 2015, Sierra Vista Subwatershed, Upper San Pedro Basin, Arizona Relative-gravity data and absolute-gravity data were collected in the Sierra Vista Subwatershed, Upper San Pedro Basin, Arizona, in May–June 2014 and 2015. Data from 2014 and a description of the survey network were published in USGS Open-File Report 2015–1086. Data presented in the shapefile here are the following: (1) Network-adjusted values from 2015, (2) Gravity change from 2014 to 2015, and (3) Survey-grade coordinates obtained from a Global Positioning System (GPS) survey in 2015. 2015 data and network adjustment results are presented in Kennedy, J.R., 2016, Gravity change from 2014 to 2015, Sierra Vista Subwatershed, Upper San Pedro Basin, Arizona: U.S. Geological Survey Open–File Report 2016–1155, 15... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Arizona Water Science Center, Botany, Geophysics, Hydrology, San Pedro Basin, All tags... Sierra Vista, AZ, Southwest Gravity Program, USGS Science Data Catalog (SDC), gravity, groundwater, hydrogeophysics, Fewer tags