-
USGS Mineral Resources On-line Spatial Data
Interactive maps and downloadable data for regional and global Geology, Geochemistry, Geophysics, and Mineral Resources. --USGS Users may browse by topics such as geologic... -
Stream water concentrations of herbicides and nutrients for sites in the nort...
The data set contains stream water concentrations of herbicides and nutrients for 153 sites in the northern Missouri/southern Iowa region from 1994 to 1995. The data are...