While " Mount Vernon " -- drawn from the Mount Vernon plantation, the home of George Washington located south of Alexandria -- is often used locally to refer to the entire unincorporated area between Old Town Alexandria and Fort Belvoir, Mount Vernon as defined by the Census Bureau encompasses only the part of it coextensive with Alexandria ZIP code 22309, bounded by the Potomac River to the south, Fort Belvoir to the west, Huntley Meadows Park to the north, and Little Hunting Creek to the east.

While Lee's army was enduring strong attacks by the Army of the Potomac outside Sharpsburg, Maryland, Hill's Light Division had been left behind to process Union prisoners at Harpers Ferry.

While Maj. Gen. George G. Meade was away at City Point with Grant, Parke was the acting commander of the Army of the Potomac, although he would not realize that until after Gordon's attack started.

While the Army of the Potomac crept slowly toward Richmond, a fourth regiment joined the brigade: the 29th Massachusetts, a regiment formed mainly of Puritan descendants.

While some consider that Washington watched as rivalries between the states of Maryland and Virginia gradually rendered his Potomac Company, null and void by withholding public monies out of fear that a rival state might derive greater benefit from their own appropriations, others consider these events in a different light.

While the Army of the Potomac and the Army of Northern Virginia dug in at Petersburg, Confederate Lt. Gen. Jubal A.

While the Confederates attempted to raid New Creek, Averell's force crossed the Potomac at Hancock, Maryland, and headed for Springfield, West Virginia.

While these two attacks were going on, Maj. Gen. George G. Meade, commander of the Army of the Potomac and in temporary overall command while Grant was ill, became concerned that Lee was attempting to turn the left flank of the Union army.

While in Washington attempting to secure a pension, Anne caught President John Quincy Adams during one of his usual early morning baths in the Potomac River.

While Major General George B. McClellan's 87, 000-man Army of the Potomac was moving to intercept Lee, a Union soldier discovered a mislaid copy of the detailed battle plans of Lee's army.

While on board a schooner on the Potomac River, he was captured by British forces.

While the mainline of the Baltimore & Ohio Railroad had already been constructed through Hampshire County in the 1840s along the Potomac River, there existed no rail line linking with the South Branch Potomac River Valley.

While much of the land in the Potomac Highlands is privately owned, large portions of the area are within the Monongahela National Forest, the George Washington National Forest, or various other kinds of parks, preserves, or other managed wild areas.

While this plan was not confirmed by the Leningrad Oblast Executive Committee, in 1935 – 1937 several rural localities of Kolsky and Polyarny Districts were merged into Murmansk anyway.

While many Business Districts are intrinsically involved with their Neighborhood Association, this stretch of SE Hawthorne Blvd.

While demanding and goal oriented he was also criticized for being unwilling to countenance alternate viewpoints and for detaching himself from day-to-day affairs when the ground war ceased and he prepared for retirement.

While the president pro tempore does have other official duties, the holders of the office have, like the vice president, over time ceased presiding over the Senate on a daily basis, owing to the mundane and ceremonial nature of the position.

While robber barony never entirely ceased, especially during the Hundred Years ' War, the excesses of their heyday during the Interregnum never recurred.

" While cutaneous sensibility had ceased, deep sensibility was maintained so that pressure with a finger, a pencil or with any blunt object was appreciated without hesitation.

While much of the remnants of the Imperial Navy were later reunited under impressive Imperial commanders, the military organization covered in this article ceased to exist shortly after the death of the Emperor.

While originally the Raiders referred to Native Americans from the Lenni Lenape Nation, the district has ceased use of most material relating to the tribe.

While the oil shock certainly affected sales, it is useful to note that many far more profligate cars were introduced at the same time the SM ceased production.

While many former grammar schools ceased to be selective, some of them retained the word " grammar " in their name.

While religious tests for students at Oxford and Cambridge ceased in the 1850s, Northern colleges continued to promote themselves as offering a different, distinct type of teaching.

While the Duchy of Opava has ceased to exist, the title of Duke of Troppau lives on to present day, with Hans-Adam II, Prince of Liechtenstein being the current incumbent.

" While the IWW was debilitated by government repression and a serious 1924 split, and the Detroit IWW simultaneously ceased to exist, the more basic principles of industrial unionism were adopted by the very successful CIO in the 1930s.

While he ceased playing the trumpet he maintained a jazz sensibility in the reading of his poems and frequently collaborated with musicians.

While legacy admissions as a way of screening out Jewish students may have ceased, the practice of giving preference to legacies has continued to the present day.

While the Simpsons chain ceased to exist in 1991, the Hudson's Bay Company continued to accept old Simpsons credit cards in its Bay and Zellers stores until the HBC credit card was launched in 2001.

While turbary ( turf cutting ) was still practised on a small scale at the beginning of the twentieth century it had ceased to be an important factor in the management of the Common by that time.

While conservative newspapers such as the Journal des débats, Le Moniteur, and Le Constitutionnel had already ceased publication in compliance with the new law, nearly 50 liberal and radical journalists from a dozen city newspapers met in the offices of the liberal Le National.

While Microsoft continues to document VML, development of the format ceased in 1998.

While the commemoratives of these decades continued to be issued predominantly in precious metals, their use as circulating currency became scarce or ceased entirely.

While Ptolemy noted that Ophiuchus is in contact with the ecliptic, he was aware that the twelve signs were just conventional names for 30 degrees segments ( especially since the Aries sign had ceased to be in contact with the Aries constellation already in his time ).

While the church initially grew rapidly, it has since stagnated and declined in numbers and converts since it ceased missionary efforts in 2000.

While Tautas Fronte itself ceased to exist during the economic difficulties of mid-1990s, many of its former activists have important roles in today's Latvia.

While Johns was one of the first and most adamant American advocates for U. S. aid to anti-communist resistance movements in their military uprisings against Soviet-backed governments during the Cold War, he also was quick to encourage U. S. restraint once they ceased being superpower conflicts.

While Begin maintained the Revisionist claim to Jewish sovereignty over all of Eretz Israel ; by the late 1950s, control over the East Bank of the Jordan ceased to be an operative element within Revisionist ideology.

While Wolf Hill ceased operating as a farm following the 1963 sale, owners and trainers continued to use Wolf Hill's practice track well into the 1990s.

While " themes " ( inherited narrative subunits for representing familiar classes of event, such as the " arming the hero ", or the particularly well-studied " hero on the beach " theme ) do exist across Anglo-Saxon and other Germanic works, some scholars conclude that Anglo-Saxon poetry is a mix of oral-formulaic and literate patterns, arguing that the poems both were composed on a word-by-word basis and followed larger formulae and patterns.

While some have theorized that unusual local magnetic anomalies may exist in the area, such anomalies have not been found.

While most implementations let light propagate on straight lines, applications exist to simulate relativistic spacetime effects.

While integrating garbage collection into the language's compiler and runtime system enables a much wider choice of methods, post hoc GC systems exist, including some that do not require recompilation.

While substantial water was detected spectroscopically, it was not as much as predicted beforehand, meaning that either the water layer thought to exist below the clouds was thinner than predicted, or that the cometary fragments did not penetrate deeply enough.

While most scholars agree that one or more of these terms refer to handheld mechanical weapons, there exist disagreement whether these were flexion bows or torsion powered like the recent Xanten find.

While cyberspace should not be confused with the Internet, the term is often used to refer to objects and identities that exist largely within the communication network itself, so that a Website, for example, might be metaphorically said to " exist in cyberspace.

While the greatest number of countercult ministries are found in the USA, ministries exist in Australia, Brazil, Canada, Denmark, England, Ethiopia, Germany, Hungary, Italy, Mexico, New Zealand, Philippines, Romania, Russia, Sweden, and Ukraine.

While similar lifeforms have been known to exist in shallower ocean trenches (> 7, 000 m ) and on the abyssal plain, the lifeforms discovered in the Challenger Deep possibly represent taxa distinct from those in shallower ecosystems.

While the conceptual and external levels design can usually be done independently of any DBMS ( DBMS-independent design software packages exist, possibly with interfaces to some specific popular DBMSs ), the internal level design highly relies on the capabilities and internal data structure of the specific DBMS utilized ( see the Implementation section below ).

While masculine, feminine, and neuter genders are recognized, nouns do not normally decline for gender, though some nouns, especially Latin words and personal names, exist in multiple forms corresponding to different genders: Alumnus ( male, singular )/ Alumna ( female, singular ); Andrew / Andrea, Paul / Paula, etc.

While thousands of isolated bones have been collected from 19th century Funk Island to Neolithic middens, only a small number of complete skeletons exist.

While clear categories do exist, it is sometimes difficult to choose which category some individual heads of state belong to.

While a number of private railroads exist and provide mostly commuter-type services, the national railway, Ferrovie dello Stato, also provides sophisticated high-speed rail service that joins the major cities of Italy from Naples through northern cities such as Milan and Turin.

While the Ithaca Hour continues to exist, in recent years it has fallen into disuse.

While recent evidence suggesting that American Ivory-billed Woodpeckers may still exist in the wild has caused excitement in the Ornithology community, no similar evidence exists for the Cuban Ivory-billed bird, believed to be extinct since the last sighting in the late 1980s.

While a variety of views regarding homosexuality as an inclination or status exist within the Orthodox Jewish community, Orthodox Judaism generally prohibits homosexual conduct.

While they still exist, they are not as centralized or integrated as they were before the 1990s.

While purists recognize only those letterboxes planted in the wild, many new variations exist.

While the first generation of literate programming tools were computer language-specific, the later ones are language-agnostic and exist above the programming languages.

While the identification of memes as " units " conveys their nature to replicate as discrete, indivisible entities, it does not imply that thoughts somehow become quantized or that " atomic " ideas exist that cannot be dissected into smaller pieces.

While " the South " exists as a geographical region of the United States, it is also said to exist as " a place of the imagination " of writers.

While examples of embryonic stages show that molecular features of ancestral organisms exist, the theory of recapitulation itself has been viewed within the field of developmental biology as a historical side-note rather than as dogma.

While relying on a heap is a common way to implement priority queues, for integer data, faster implementations exist.