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This publication provides digital flight line data for a high-resolution magnetic survey over an area of the west-central Upper Peninsula of Michigan. The survey was flown in 2008 by Aeroquest under contract to Kennecott Eagle Minerals Company using a fixed-wing aircraft with a magnetometer mounted in a tail stinger. The USGS has obtained this 66,074 line km subset of the survey dataset for public release. Data were collected along north-south flight lines spaced 100 meters apart with east-west tie lines flown every 1000 meters. The nominal terrain clearance was 40 meters, although greater terrain clearances were required in several areas due to safety and aircraft performance considerations. Files that are available...
Categories: Data; Types: Downloadable, GeoTIFF, Map Service, OGC WFS Layer, OGC WMS Layer, Raster, Shapefile; Tags: "Geophysics"], Earth Mapping Resources Initiative, EarthMRI, Fence River, Geology, Geophysics, and Geochemistry Science CenterGGGSC, All tags...
This data set is a compilation of data from two sampling efforts (2010 and 2014), focused on determining the presence and distribution of organic contaminants throughout the United States portion of the Great Lakes watershed. Water-borne contaminants were monitored in 69 tributaries of the Great Lakes using semipermeable membrane devices (SPMDs), and polar organic chemical integrative samplers (POCIS). Analyses included 185 chemicals (143 detected) including polycyclic aromatic hydrocarbons (PAHs), legacy and current-use pesticides, polychlorinated biphenyls (PCBs), polybrominated diphenyl ether (PBDE) and organophosphate fire retardants, pharmaceuticals, fragrances, industrial chemicals, surfactants, and others.
Tags: Ashtabula River, Au Sable River, Bad River, Black River, Buffalo River, All tags...


    map background search result map search result map Airborne Magnetic Survey, Michigan Upper Peninsula Area, 2008 Airborne Magnetic Survey, Michigan Upper Peninsula Area, 2008