Geography 17.1 Scholarly books Beginning in the 19th century with increasing mining and agriculture upstream and urban sewage and runoff downstream the water quality of the Potomac River deteriorated This created conditions of severe eutrophication It is said that President Abraham Lincoln used to escape to the highlands on summer nights to escape the river's stench in the 1960s with dense green algal blooms covering the river's surface President Lyndon Johnson declared the river "a national disgrace" and set in motion a long-term effort to reduce pollution from sewage and restore the beauty and ecology of this historic river One of significant pollution control projects at the time was the expansion of the Blue Plains Advanced Wastewater Treatment Plant which serves Washington and several surrounding communities. Enactment of the 1972 Clean Water Act led to construction or expansion of additional sewage treatment plants in the Potomac watershed Controls on phosphorus one of the principal contributors to eutrophication were implemented in the 1980s through sewage plant upgrades and restrictions on phosphorus in detergents; Caning of Charles Sumner Mexican territorial claims relinquished in the Treaty of Guadalupe Hidalgo in white View of the United States Capitol from the United States Supreme Court building. Territories (later state borders Gadsden Purchase) Finances With a limited number of professional schools established in the U.S Founders also sought advanced degrees from traditional institutions in England and Scotland such as the University of Edinburgh the University of St Andrews and the University of Glasgow; . 3 Passage Vines and Groundcover of the Potomac River Basin The Congressional Budget Office or CBO is a federal agency which provides economic data to Congress. ! .
. . . . 10.2 Memory and memorials The war ended in 1783 and was followed by a period of prosperity the national government was still operating under the Articles of Confederation and was able to settle the issue of the western territories which the states ceded to Congress American settlers moved rapidly into those areas with Vermont Kentucky and Tennessee becoming states in the 1790s, Edward Langworthy Georgia 1 Yes Bleeding Kansas Contents Naypyidaw Burma (2005-2006)! 16.2 State and local studies 6 Fauna of the Potomac River and its Basin Conduct of the war.
Saeid Badie DDS