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This dataset is a 30-meter resolution raster of estimated extent of subsurface tile drains, developed from tabular data of state-level estimates of agricultural land drained by tiles combined with...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 09:55 PM -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:10 PM -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:49 PM -
This dataset is a 30-meter resolution national-scale raster of estimated subsurface tile drainage extent based on early 1990s county areas of subsurface tile drains and geospatial datasets of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:31 PM -
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 10:25 PM -
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:30 PM -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 08:58 PM -
A study examining the sources and ages of fine-grained bed material (<0.063 mm) was conducted for 99 sites in the USGS NAWQA Midwest Stream Quality Assessment (MSQA) during the summer of 2014,...
Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 09:45 PM -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 08:49 PM -
In 2013, the first of several Regional Stream Quality Assessments (RSQA) was done in the Midwest United States. The Midwest Stream Quality Assessment (MSQA) was a collaborative study by the U.S....
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:14 PM -
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:55 PM -
In 2013, the Regional Stream Quality Assessment (RSQA) study was started as part of the U.S. Geological Survey (USGS) National Water Quality Assessment (NAWQA) project. One of the objectives of...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 09:19 PM
