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Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (2) Types Downloadable (2) GeoTIFF (2) Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) Raster (2) Shapefile (2) Contacts Philip J Brown II U.S. Geological Survey Geology, Geophysics, and Geochemistry Science Center Benjamin J Drenth V. J. S Grauch More... Categories Data (2) Tag Types Place (21) Tags (with Scheme=USGS Geographic Names Information System (GNIS)) alger county (1) chaffee county (1) city of salida (1) colorado (1) crestone (1) delta county (1) dickinson county (1) More... View Results as: JSON ATOM CSV

High Resolution Aeromagnetic Survey, Villa Grove, Colorado, USA, 2011 This data release includes data collected from the Villa Grove helicopter magnetic survey in northern San Luis Valley and Poncha Pass region in south-central Colorado, USA. The survey area extends over the northern part of Great Sand Dunes National Park, Poncha Pass and vicinity, and into the southern end of the Upper Arkansas Valley. It includes the communities of Crestone, Villa Grove, Saguache, and Salida. Several U.S. Geological Survey programs (including the National Cooperative Geologic Mapping Program, Mineral Resources Program, and Geothermal Program), as well as the Colorado Geological Survey, funded the survey. The data are part of studies to help refine our knowledge in this area about the nature of aquifers,... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, Raster, Shapefile; Tags: Chaffee County, City of Salida, Colorado, Crestone, Fremont County, All tags... GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Great Sand Dunes National Park, MRP, Minerals Resources Program, Poncha Pass, Saguache, Saguache County, San Luis Creek, San Luis Valley, USGS Science Data Catalog (SDC), Villa Grove, aeromag, aeromagnetic, aeromagnetic surveying, airborne magnetic survey, geophysics, geoscientific information, geospatial datasets, magnetic field (earth), magnetic surveying, Fewer tags Airborne magnetic survey, Iron Mountain-Chatham region, central Upper Peninsula, Michigan, 2018 This publication provides digital flight line data for a high-resolution magnetic survey over an area of the central Upper Peninsula of Michigan. The survey area lies approximately between the towns of Iron Mountain and Chatham. Data for this survey were collected by EON Geosciences under contract with the USGS using a fixed wing aircraft with a magnetometer mounted in the tail stinger. The survey operated out of the Sawyer International Airport near Marquette, Michigan, from June of 2018 to September of 2018. A total of 38,474 line km of data were collected. Data were collected along north-south flight lines spaced 150 meters apart with east-west tie lines flown every 1,500 meters. The nominal terrain clearance... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, Raster, Shapefile; Tags: Alger County, Delta County, Dickinson County, Florence County, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Geophysics, Iron County, MRP, Marquette County, Menominee County, Michigan, Mineral Resources Program, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Wisconsin, aeromag, aeromagnetic, aeromagnetic surveying, airborne magnetic survey, geophysics, geoscientificInformation, geospatial datasets, magnetic field (earth), magnetic surveying, Fewer tags