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Digital aeromagnetic data and derivative products from a helicopter survey over the town of Blanca and surrounding areas, Alamosa and Costilla Counties, Colorado
Flight-line data, grids, and images derived from them |
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Digital data and derivative products from a high-resolution aeromagnetic survey of the central San Luis basin, covering parts of Alamosa, Conejos, Costilla, and Rio Grande Counties, Colorado, and Taos County, New Mexico
Digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during a high-resolution aeromagnetic survey in southern Colorado and northern New Mexico during October, 2004 |
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Digital Data from Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, USA
Tabular and geospatial data digitized from a U.S. Bureau of Mines that presented results of a mineral resource potential survey in this area. Georeferenced scanned plates are provided in JPEG format, other data are provided in Esri file geodatabase, CSV, and shapefile formats. |
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Digital data from the Great Sand Dunes airborne gravity gradient survey, south-central Colorado
Flight-line data and gravity grids with documentation. |
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Digital data from the Great Sand Dunes and Poncha Springs aeromagnetic surveys, south-central Colorado
Two high-resolution aeromagnetic surveys in south-central Colorado compiled to assess the subsurface geologic framework of the San Luis basin for ground-water flow model construction, and to map concealed faults potentially related to geothermal resources |
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Fluorine, fluorite, and fluorspar in central Colorado
Distribution of fluorine in specific age-lithologic categories, ranging from precambrian metamorphic rocks to modern soils. |
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Geochronology Database for Central Colorado
Compilation of isotopic and fission track age determinations, some previously published. Data for the tephrochronology of Pleistocene volcanic ash, carbon-14, Pb-alpha, common-lead, and U-Pb determinations on uranium ore minerals are not included. |
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Geospatial database for regional environmental assessment of central Colorado
Study focusing on the effects of historical mining on Forest Service lands in this area. |
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Magnetotelluric sounding locations, stations 23 to 46, San Luis Valley, Colorado, 2007
Magnetotelluric sounding data collected in 2007 in this area to improve understanding of the hydrogeology of the Santa Fe Group and the nature of the sedimentary deposits comprising the principal groundwater aquifers of the Rio Grande rift. |
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Transient Electromagnetic Sounding Data Collected in the San Luis Valley, Colorado Near Great Sand Dunes National Park and Preserve, and Alamosa National Wildlife Preserve (Field Seasons 2007, 2009, and 2011)
Time-domain electromagnetic (TEM) soundings were made in this area to map the location of a blue clay unit as well as suspected faults. Data are provided in CSV and shapefile formats. |
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