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This data release provides digital flight line data for a high-resolution airborne magnetic survey over the western Spirit Lake tectonic zone region, covering parts of northwestern Iowa,...
Search relevance: 1.00 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 10:28 PM -
This data release provides digital flight line data for a high-resolution airborne radiometric survey over the western Spirit Lake tectonic zone region, covering parts of northwestern Iowa,...
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 09:12 PM -
This data set consists of digital bathymetry contours for Littlefield Lake in Audubon Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Littlefield Lake in 2004.
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: October 28, 2026 at 07:27 AM -
This data set consists of digital polygon coverage that defines the shoreline of Littlefield Lake in Audubon Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Littlefield...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:13 PM -
This data release provides digital flight line data for a high-resolution airborne magnetic and radiometric survey over the western Spirit Lake tectonic zone region, covering parts of northwestern...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:29 PM -
Point coverage of bathymetry target points for Littlefield Lake in Audubon Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Littlefield Lake in 2004.
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 10:00 PM -
Point coverage of bathymetry data for Littlefield Lake in Audubon Co., Iowa. The U.S. Geological Survey conducted a bathymetric survey of Littlefield Lake in 2004.
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:56 PM
