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Principal facts of regional gravity data in the central Upper Peninsula, Michigan, and northeastern Wisconsin Gravity data were collected from 2016 through 2019 to assist in mapping surface and subsurface geology in the central Upper Peninsula of Michigan and in neighboring northeastern Wisconsin. This data release provides principal facts for 1536 new gravity stations that were acquired to supplement existing public gravity data coverage. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alger County, Delta County, Dickinson County, GGGSC, Geology, Geophysics, and Geochemistry Science Center, All tags... Iron County, Lacoste Romberg gravimeter, MRP, Marienette County, Marquette County, Menominee County, Michigan, Mineral Resources Program, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Wisconsin, bouguer anomaly, free-air anomaly, geoscientificInformation, gravimeter measurement, gravitational field (earth), gravity measurement, isostatic anomaly, 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