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High-Resolution Airborne Radiometric Survey of Mountain Pass, California High-Resolution Airborne Radiometric Survey of Mountain Pass, California
A detailed airborne radiometric survey of Mountain Pass, California was flown by CGG Canada Services Ltd. (CGG). The high-resolution helicopter survey was flown at a flight-line spacing of 100 and 200 m, a flight-line azimuth of 70 degrees, a nominal flight-line elevation above ground of 70 m, and consists of about 1,814 line-kilometers. Tie lines were spaced at a 1-km interval with a...
Density and magnetic properties of selected plutons (granitoids) in the Great Basin, parts of California, Nevada, Oregon, Utah, and Arizona Density and magnetic properties of selected plutons (granitoids) in the Great Basin, parts of California, Nevada, Oregon, Utah, and Arizona
The U.S. Geological Survey (USGS) collected over 1,840 physical property measurements on selected plutons in the Great Basin, primarily in California and Nevada. Data include station identifier, geographic coordinates, rock type, density, magnetic susceptibility, remanent magnetization, declination, and inclination where available. Data are presented in ASCII format and include density...
High-Resolution Aeromagnetic Survey of Mono Basin and Long Valley, California High-Resolution Aeromagnetic Survey of Mono Basin and Long Valley, California
A detailed aeromagnetic survey of Mono Basin and Long Valley, California was flown by EON Geosciences Inc. from October 25th to November 11th, 2012. The high-resolution helicopter survey was flown at a flightline spacing of 400 m, a flightline azimuth of 65 degrees, a nominal flightline elevation above ground of 150 m, and consists of about 6,125 line-kilometers. Tie lines were spaced at...
An Open Source Spreadsheet for Estimation of the Ellapsed Time for Casing Storage Effects on Drawdown to be Eliminated for Single-Well Pumping Test Analysis An Open Source Spreadsheet for Estimation of the Ellapsed Time for Casing Storage Effects on Drawdown to be Eliminated for Single-Well Pumping Test Analysis
This is a strict open source spreadsheet that can be used to estimate the elapsed time from the beginning of pumping for casing storage water to no longer contribute to the pumping well yield. The spreadsheet is used to estimate the early time drawdown data that should not be analyzed for estimation of aquifer hydraulic properties (transmissivity) from a single pumping well aquifer test...
Mapped fire perimeters from the Sky Island Mountains of US and Mexico: 1985-2017 Mapped fire perimeters from the Sky Island Mountains of US and Mexico: 1985-2017
Polygon locations of fire perimeters in the Sky Island mountain ranges in the Madrean Archipelago Ecoregion of the southwestern United States and northern Mexico. These fires occurred from 1985 to 2017 and were mapped using Landsat satellite imagery.
Differenced Normalized Burn Ratio (dNBR) data of wildfires in the Sky Island Mountains of the southwestern US and northern Mexico from 2011-2017 Differenced Normalized Burn Ratio (dNBR) data of wildfires in the Sky Island Mountains of the southwestern US and northern Mexico from 2011-2017
This dataset is composed of 97 Differenced Normalized Burn Ratio (dNBR) images. Each dNBR represents a rough measure of fire-related vegetation change for wildfires (>400 ha) that occurred in the Sky Island Mountains within the Madrean Archipelago Ecoregion of the United States and Northern Mexico. These fires occurred between 2011 and 2017 and were mapped using Landsat 7 and 8 satellite...