Homepage linking the historic journey of Lewis and Clark and the
research of the USGS in the same region with links to mapping
history, remarkable points on the Missouri River, educational
activities, photo gallery, and publications. Field methods,
topics of investigation, shoreline changes, publications, and
satellite imagery related to geologic and hydrologic processes
affecting Lake Pontchartrain and adjacent lakes which form a
large estuary in the Gulf Coast region. The U.S. ground water
atlas consists of information on ground water resources of 13
regions covering the 50 States, Puerto Rico, and the U.S. Virgin
Islands. Text and maps can be viewed online and downloaded as
ASCII, GIF, and *.eps files. Portal for Missouri River
Infolinks, a clearinghouse to multiple links giving Missouri
information, photo gallery, river weather forecast, projects and
features, maps, meetings, history, and science research.