Midwest Water Quality Sampling Sites and Drainage Basins Map #177793 (License: Personal Use)

The image displays a regional map of the U.S. Midwest, featuring states such as Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kansas, Nebraska, Indiana, Ohio, and Michigan. Red triangles denote sampling sites, while colored shaded areas represent associated drainage basins-including the Missouri, Platte, Kansas, Des Moines, and Illinois Rivers. Major waterways like the Mississippi and Ohio Rivers are labeled, providing geographic context for hydrological studies.

This image is typically used in environmental science reports, watershed management websites, or EPA/USGS data portals to illustrate where water quality monitoring occurs. It serves users seeking spatial understanding of sampling networks for research, policy, or education.